Colorgraphics Systems, Inc., a Corp. of Wi
Records under this name other than patents Colorgraphics Systems, Inc., a Corp. of Wi holds now: patents now held by others, patents whose terms have ended, and its applications, pending or abandoned.
Back to Colorgraphics Systems, Inc., a Corp. of Wi
| Patent | Title | Status | Expires | Confidence |
|---|---|---|---|---|
| US 4,597,006 | Video signal control system Term ended Term ended no later than Jun 24, 2006 · Low confidence | Term ended | Term ended no later than Jun 24, 2006 | Low confidence |
| US 4,642,682 | Phase responsive composite video signal control system Term ended Term ended no later than Feb 10, 2007 · Low confidence | Term ended | Term ended no later than Feb 10, 2007 | Low confidence |
| US 4,710,800 | Apparatus for allowing operator selection of a color region of a video image for receiving color corrections Term ended Term ended no later than Dec 1, 2007 · Low confidence | Term ended | Term ended no later than Dec 1, 2007 | Low confidence |
| US 4,727,412 | Video signal correction system with low chrominance circuit for modifying currections Term ended Term ended no later than Feb 23, 2008 · Low confidence | Term ended | Term ended no later than Feb 23, 2008 | Low confidence |
| US 4,733,295 | Luminance selection apparatus for video signal control system Term ended Term ended no later than Mar 22, 2008 · Low confidence | Term ended | Term ended no later than Mar 22, 2008 | Low confidence |
| US 4,764,717 | Touch-sensitive potentiometer for operator control panel Term ended Term ended no later than Aug 16, 2008 · Low confidence | Term ended | Term ended no later than Aug 16, 2008 | Low confidence |
| US 4,782,384 | Area isolation apparatus for video signal control system Term ended Term ended no later than Nov 1, 2008 · Low confidence | Term ended | Term ended no later than Nov 1, 2008 | Low confidence |
| US 4,839,718 | Luminance selection apparatus for video signal control system Formerly held Term ended Term ended no later than Jun 13, 2009 · Low confidence | Term ended | Term ended no later than Jun 13, 2009 | Low confidence |
| US 4,876,589 | Phase responsive composite video signal control system Term ended Term ended no later than Oct 24, 2009 · Low confidence | Term ended | Term ended no later than Oct 24, 2009 | Low confidence |
| US 5,313,275 | Chroma processor including a look-up table or memory Term ended Term ended no later than May 17, 2014 · Low confidence | Term ended | Term ended no later than May 17, 2014 | Low confidence |