-----BEGIN PRIVACY-ENHANCED MESSAGE-----
Proc-Type: 2001,MIC-CLEAR
Originator-Name: webmaster@www.sec.gov
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MIC-Info: RSA-MD5,RSA,
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 eIKa1JwUxVqRybtw73roQg==

<SEC-DOCUMENT>0000793524-03-000010.txt : 20031231
<SEC-HEADER>0000793524-03-000010.hdr.sgml : 20031231
<ACCEPTANCE-DATETIME>20031231163619
ACCESSION NUMBER:		0000793524-03-000010
CONFORMED SUBMISSION TYPE:	424B3
PUBLIC DOCUMENT COUNT:		1
FILED AS OF DATE:		20031231

FILER:

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			RESEARCH FRONTIERS INC
		CENTRAL INDEX KEY:			0000793524
		STANDARD INDUSTRIAL CLASSIFICATION:	SERVICES-COMMERCIAL PHYSICAL & BIOLOGICAL RESEARCH [8731]
		IRS NUMBER:				112103466
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		424B3
		SEC ACT:		1933 Act
		SEC FILE NUMBER:	333-65219
		FILM NUMBER:		031080774

	BUSINESS ADDRESS:	
		STREET 1:		240 CROSSWAYS PARK DR
		CITY:			WOODBURY
		STATE:			NY
		ZIP:			11797-2033
		BUSINESS PHONE:		5163641902

	MAIL ADDRESS:	
		STREET 1:		240 CROSSWAYS PARK DR
		CITY:			WOODBURY
		STATE:			NY
		ZIP:			11797-2033
</SEC-HEADER>
<DOCUMENT>
<TYPE>424B3
<SEQUENCE>1
<FILENAME>supps3x3.txt
<DESCRIPTION>PROSPECTUS SUPPLEMENT NO. 3 DATED DECEMBER 31, 2003
<TEXT>
                                      Registration No.  333-65219
      Filed under Section 424(b)(3) pursuant to Section 424(c)(2)

                     Prospectus Supplement #3

This prospectus supplement applies to the prospectus dated May
21, 1999 filed as part of the Registration Statement on Form S-3
(Registration No.  333-65219).

When Research Frontiers filed its registration statement of
which this prospectus is a part, we registered a total of
2,331,000 shares of common stock to be sold under this
prospectus. Although we are not planning to issue any more
stock than the 2,331,000 shares covered by this prospectus,
because the selling price of our common stock has increased
since the class A warrant was issued, we have not issued as
much stock as originally anticipated under the class A warrant
held by Ailouros, Ltd. The class A warrant was scheduled to
expire on December 31, 2003.  Because of this, Research
Frontiers and the underwriter, Ailouros Ltd., agreed to extend
the expiration date of the class A warrant until December 31,
2005. The plan of distribution for these shares remains the same
as originally disclosed in our May 21, 1999 prospectus.

</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
-----END PRIVACY-ENHANCED MESSAGE-----
