Prime Computer, Inc.
Records under this name other than patents Prime Computer, Inc. holds now: patents now held by others, patents whose terms have ended, and its applications, pending or abandoned.
| Patent | Title | Status | Expires | Confidence |
|---|---|---|---|---|
| US 4,244,012 | Lamp holder for projection aligner Term ended Term ended no later than Jan 6, 2001 · Low confidence | Term ended | Term ended no later than Jan 6, 2001 | Low confidence |
| US 4,265,542 | Apparatus and method for fine alignment of a photomask to a semiconductor wafer Term ended Term ended no later than May 5, 2001 · Low confidence | Term ended | Term ended no later than May 5, 2001 | Low confidence |
| US 4,328,553 | Method and apparatus for targetless wafer alignment Term ended Term ended no later than May 4, 2002 · Low confidence | Term ended | Term ended no later than May 4, 2002 | Low confidence |
| US 4,376,580 | Projection aligner with bending mirror Term ended Term ended no later than Mar 15, 2003 · Low confidence | Term ended | Term ended no later than Mar 15, 2003 | Low confidence |
| US 4,408,874 | Projection aligner with specific means for bending mirror Term ended Term ended no later than Oct 11, 2003 · Low confidence | Term ended | Term ended no later than Oct 11, 2003 | Low confidence |
| US 4,446,412 | Method and apparatus for controlling stepper motors Term ended Term ended no later than May 1, 2004 · Low confidence | Term ended | Term ended no later than May 1, 2004 | Low confidence |
| US 4,494,233 | Method and apparatus for the detection and regeneration of a lost token in a token based data communications network Formerly held Term ended Term ended no later than Jan 15, 2005 · Low confidence | Term ended | Term ended no later than Jan 15, 2005 | Low confidence |
| US 4,506,298 | Method and apparatus for displaying objects on an interlaced raster scan television screen Term ended Term ended no later than Mar 19, 2005 · Low confidence | Term ended | Term ended no later than Mar 19, 2005 | Low confidence |
| US 4,510,581 | High speed buffer allocation apparatus Formerly held Term ended Term ended no later than Apr 9, 2005 · Low confidence | Term ended | Term ended no later than Apr 9, 2005 | Low confidence |
| US 4,523,266 | AC to DC conversion system with current spreading circuit Formerly held Term ended Term ended no later than Jun 11, 2005 · Low confidence | Term ended | Term ended no later than Jun 11, 2005 | Low confidence |