Interserv, Corp.

Also on record

Records under this name other than patents Interserv, Corp. holds now: patents now held by others, patents whose terms have ended, and its applications, pending or abandoned.

Showing 1 to 7 of 7 · Back to Interserv, Corp.

Patent	Title	Status	Expires	Confidence
US 4,419,013	Phase contrast alignment system for a semiconductor manufacturing apparatus Term ended Term ended no later than Dec 6, 2003 · Low confidence	Term ended	Term ended no later than Dec 6, 2003	Low confidence
US 4,441,808	Focusing device for photo-exposure system Term ended Term ended no later than Apr 10, 2004 · Low confidence	Term ended	Term ended no later than Apr 10, 2004	Low confidence
US 4,474,463	Mixer coupling lens subassembly for photolithographic system Term ended Term ended no later than Oct 2, 2004 · Low confidence	Term ended	Term ended no later than Oct 2, 2004	Low confidence
US 4,475,122	Automatic wafer alignment technique Term ended Term ended no later than Oct 2, 2004 · Low confidence	Term ended	Term ended no later than Oct 2, 2004	Low confidence
US 4,521,114	Single lens repeater Term ended Term ended no later than Jun 4, 2005 · Low confidence	Term ended	Term ended no later than Jun 4, 2005	Low confidence
US 4,550,374	High speed alignment method for wafer stepper Term ended Term ended no later than Oct 29, 2005 · Low confidence	Term ended	Term ended no later than Oct 29, 2005	Low confidence
US 5,407,519	Apparatus for manufacturing liquid crystal display screens Term ended Term ended no later than Apr 18, 2015 · Low confidence	Term ended	Term ended no later than Apr 18, 2015	Low confidence