Matrix Instruments, Inc.
Records under this name other than patents Matrix Instruments, Inc. holds now: patents now held by others, patents whose terms have ended, and its applications, pending or abandoned.
Back to Matrix Instruments, Inc.
| Patent | Title | Status | Expires | Confidence |
|---|---|---|---|---|
| US 4,027,315 | Multiple image camera Term ended Term ended no later than May 31, 1997 · Low confidence | Term ended | Term ended no later than May 31, 1997 | Low confidence |
| US 4,174,895 | Apparatus for producing multiple image formats Formerly held Term ended Term ended no later than Nov 20, 1999 · Low confidence | Term ended | Term ended no later than Nov 20, 1999 | Low confidence |
| US 4,212,073 | Method and system for surface contouring Formerly held Term ended Term ended no later than Jul 8, 2000 · Low confidence | Term ended | Term ended no later than Jul 8, 2000 | Low confidence |
| US 4,240,729 | Multiple image camera Term ended Term ended no later than Dec 23, 2000 · Low confidence | Term ended | Term ended no later than Dec 23, 2000 | Low confidence |
| US 4,272,151 | Apparatus for optical scanning Formerly held Term ended Term ended no later than Jun 9, 2001 · Low confidence | Term ended | Term ended no later than Jun 9, 2001 | Low confidence |
| US 4,340,306 | Optical system for surface topography measurement Formerly held Term ended Term ended no later than Jul 20, 2002 · Low confidence | Term ended | Term ended no later than Jul 20, 2002 | Low confidence |
| US 4,351,518 | Suction-operated device for feeding sheets one by one to a point of utilization Formerly held Term ended Term ended no later than Sep 28, 2002 · Low confidence | Term ended | Term ended no later than Sep 28, 2002 | Low confidence |
| US 4,355,904 | Optical inspection device for measuring depthwise variations from a focal plane Formerly held Term ended Term ended no later than Oct 26, 2002 · Low confidence | Term ended | Term ended no later than Oct 26, 2002 | Low confidence |
| US 4,387,994 | Optical system for surface topography measurement Formerly held Term ended Term ended no later than Jun 14, 2003 · Low confidence | Term ended | Term ended no later than Jun 14, 2003 | Low confidence |
| US 4,433,345 | Video image recording methods and devices Term ended Term ended no later than Feb 21, 2004 · Low confidence | Term ended | Term ended no later than Feb 21, 2004 | Low confidence |