0001193125-06-250462 SC 13D 1 20061211 20061211 ALLEGRO BIODIESEL CORP 0000895380 3845 205748331 DE 1231 SC 13D 34 005-42757 061268080 6033 W. CENTURY BLVD SUITE 850 LOS ANGELES CA 90045 3106702093 6033 W. CENTURY BLVD SUITE 850 LOS ANGELES CA 90045 DIAMETRICS MEDICAL INC 19930624 Collins Tim A 0001375355 SC 13D (318) 443-4496 730 HWY 470 LECOMPTE LA 71346 SC 13D 1 dsc13d.htm SCHEDULE 13D