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<SEC-DOCUMENT>0001016514-99-000053.txt : 19991028
<SEC-HEADER>0001016514-99-000053.hdr.sgml : 19991028
ACCESSION NUMBER:		0001016514-99-000053
CONFORMED SUBMISSION TYPE:	5
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	19990930
FILED AS OF DATE:		19991027

SUBJECT COMPANY:	

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			PRO DEX INC
		CENTRAL INDEX KEY:			0000788920
		STANDARD INDUSTRIAL CLASSIFICATION:	WHOLESALE-MEDICAL, DENTAL & HOSPITAL EQUIPMENT & SUPPLIES [5047]
		IRS NUMBER:				841261240
		STATE OF INCORPORATION:			CO
		FISCAL YEAR END:			0630

	FILING VALUES:
		FORM TYPE:		5
		SEC ACT:		
		SEC FILE NUMBER:	000-14942
		FILM NUMBER:		99734256

	BUSINESS ADDRESS:	
		STREET 1:		1401 WALNUT ST STE 500
		CITY:			BOULDER
		STATE:			CO
		ZIP:			80302-5333
		BUSINESS PHONE:		3034438165

	MAIL ADDRESS:	
		STREET 1:		1401 WALNUT STREET
		STREET 2:		SUITE 540
		CITY:			BOULDER
		STATE:			CO
		ZIP:			80302
<REPORTING-OWNER>

COMPANY DATA:	
	COMPANY CONFORMED NAME:			COSS RONALD G
	CENTRAL INDEX KEY:			0001001849
	STANDARD INDUSTRIAL CLASSIFICATION:	 []
<RELATIONSHIP>DIRECTOR

FILING VALUES:
	FORM TYPE:		5

BUSINESS ADDRESS:	
	STREET 1:		1401 WALNUT ST # 540
	CITY:			BOULDER
	STATE:			CO
	ZIP:			80302
	BUSINESS PHONE:		3034436136

MAIL ADDRESS:	
	STREET 1:		1401 WALNUT ST # 540
	CITY:			BOULDER
	STATE:			CO
	ZIP:			80302
</REPORTING-OWNER>
</SEC-HEADER>
<DOCUMENT>
<TYPE>5
<SEQUENCE>1
<TEXT>

               UNITED STATES SECURITIES AND EXCHANGE COMMISSION
                           WASHINGTON, D.C. 20549

                                  FORM 5

               ANNUAL STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP

( ) Check this box if no longer subject to section 16.
    Form 4 or Form 5 obligations may continue. See Instructions 1(b).

1. Name and Address of Reporting Person
   Ronald G. Coss
   1401 Walnut Street, Suite 540
   Boulder, Colorado  80302

2. Issuer Name and Ticker or Trading Symbol
   Pro-Dex, Inc./ PDEX

3. IRS or Social Security Number of Reporting Person (Voluntary)

4. Statement for (Month/Year)
   9/99

5. If Amendment, Date of Original (Month/Year)

6. Relationship of Reporting Person(s) to Issuer (Check all applicable)
   (X) Director (X) 10% Owner () Officer (give title below)
   (X) Other (specify below)

   Vice Chairman

7. Individual or Joint/Group Filing (Check Applicable Line)
   (X) Form filed by One Reporting Person
   ( ) Form filed by More than One Reporting Person
______________________________________________________________________________
Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially
Owned
______________________________________________________________________________
1.Title of Security  |2.Trans-|3.Trans-|4.Securities Acquired (A)|5.Amount of
  (Instruction 3)    |action  |action  |or Disposed of (D)       |Securities
                     |Date    |Code    |(Instr. 3, 4 and 5)      |Beneficially
                     |        |(Instr. |                         |Owned at end
                     |(Month/ | 8)     |                         |of Issuer's
                     | Day/   |        |_________________________|Fiscal Year
                     | Year)  |        | Amount |(A)or(D)|  Price|(Instr. 3&4)
_____________________|________|________|________|________|_______|____________
Pro-Dex, Inc.        |        |   |    |        |        |       |
Common Stock         |        |   |    |        |        |       | 2,412,104
_____________________|________|___|____|________|________|_______|____________
                     |        |   |    |        |        |       |
_____________________|________|___|____|________|________|_______|____________

____________________________________________________________
6.Ownership Form:   |7.Nature of
  Direct (D) or     |  Indirect Beneficial
  Indirect (I)      |  Ownership
  (Instr. 4)        |  (Instr. 4)
____________________|_______________________________________
         D          |
____________________|_______________________________________
                    |
____________________|_______________________________________

______________________________________________________________________________
Table II - Derivative Securities Acquired, Disposed of, or Beneficially Owned
         (e.g., puts, calls, warrants, options, convertible securities)
______________________________________________________________________________
1.Title of Derivative|2.Con-  |3.Trans-|4.Trans-|5.Number of|6.Date Exercis-
Security (Instr. 3)  |version |action  |action  |Derivative |able and Expira-
                     |or Exer-|Date    |Code    |Securities |tion Date
                     |cise    |(Month/ |(Instr. |Acquired(A)|(Month/Day/Year)
                     |Price of| Day/   | 8)     |or Disposed|
                     |Deriva- | Year)  |        |of (D)     |
                     |tive    |        |        |(Instr. 3, |
                     |Security|        |        | 4, and 5) |
                     |        |        |        |           |
                     |        |        |        |___________|_________________
                     |        |        |        | (A) | (D) |Date    |Expira-
                     |        |        |        |     |     |Exercis-|tion
                     |        |        |        |     |     |able    |Date
_____________________|________|________|________|_____|_____|_________________
Option to Acquire    |        |        |        |     |     |        |
Pro-Dex, Inc.        |        |        |        |     |     |        |
Common Stock*        |  1.25  | 4/9/99 |    A   |     |     | 4/9/99 | 4/9/09
_____________________|________|________|________|_____|_____|________|________
                     |        |        |        |     |     |        |
_____________________|________|________|________|_____|_____|________|________

______________________________________________________________________________
7.Title and         |8.Price of |9.Number of  |10.Ownership Form |11.Nature of
amount of           |Derivative |Derivative   |of Derivative     |Indirect
Underlying          |Security   |Securities,  |Security:         |Beneficial
Securities          |(Instr. 5) |Beneficially |Direct (D) or     |Ownership
                    |           |Owned at End |Indirect (I)      |(Instr. 4)
                    |           |of Year      |(Instr. 4)        |
____________________|           |(Instr. 4)   |                  |
   Title  |Amount or|           |             |                  |
          |Number of|           |             |                  |
          |Shares   |           |             |                  |
__________|_________|___________|_____________|__________________|____________
  Common  | 100,000 |    1.25   |   100,000   |         D        |
__________|_________|___________|_____________|__________________|____________
          |         |           |             |                  |
__________|_________|___________|_____________|__________________|____________

Explanation of Responses:

*The options will expire, if not exercised, 90 days after the Optionee ceases
to act as a Director.

SIGNATURE OF REPORTING PERSON
/s/ Ronald G. Coss

DATE
10/22/99


</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
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