Rediffusion Simulation Limited
Records under this name other than patents Rediffusion Simulation Limited holds now: patents now held by others, patents whose terms have ended, and its applications, pending or abandoned.
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| Patent | Title | Status | Expires | Confidence |
|---|---|---|---|---|
| US 4,383,740 | Infinity image visual display system Term ended Term ended no later than May 17, 2003 · Low confidence | Term ended | Term ended no later than May 17, 2003 | Low confidence |
| US 4,417,183 | Incandescent lamp driver circuit Formerly held Term ended Term ended no later than Nov 22, 2003 · Low confidence | Term ended | Term ended no later than Nov 22, 2003 | Low confidence |
| US 4,444,146 | Ultrasonic subsurface cleaning Formerly held Term ended Term ended no later than Apr 24, 2004 · Low confidence | Term ended | Term ended no later than Apr 24, 2004 | Low confidence |
| US 4,514,176 | Automatic teaching apparatus and method Formerly held Term ended Term ended no later than Apr 30, 2005 · Low confidence | Term ended | Term ended no later than Apr 30, 2005 | Low confidence |
| US 4,541,694 | Acousto-optic scanners Term ended Term ended no later than Sep 17, 2005 · Low confidence | Term ended | Term ended no later than Sep 17, 2005 | Low confidence |
| US 4,551,705 | Programmable integrated circuit AC resistor network Formerly held Term ended Term ended no later than Nov 5, 2005 · Low confidence | Term ended | Term ended no later than Nov 5, 2005 | Low confidence |
| US 4,559,014 | Motion limiting systems Term ended Term ended no later than Dec 17, 2005 · Low confidence | Term ended | Term ended no later than Dec 17, 2005 | Low confidence |
| US 4,577,273 | Multiple microcomputer system for digital computers Formerly held Term ended Term ended no later than Mar 18, 2006 · Low confidence | Term ended | Term ended no later than Mar 18, 2006 | Low confidence |
| US 4,584,443 | Captive digit input device Formerly held Term ended Term ended no later than Apr 22, 2006 · Low confidence | Term ended | Term ended no later than Apr 22, 2006 | Low confidence |
| US 4,591,973 | Input/output system and method for digital computers Formerly held Term ended Term ended no later than May 27, 2006 · Low confidence | Term ended | Term ended no later than May 27, 2006 | Low confidence |