EPRAD, Inc.
Records under this name other than the patents EPRAD, Inc. holds now: patents now held by others, patents whose terms have ended, and its applications, pending or abandoned. None of them is counted in the 1 patents it holds.
Showing 1 to 7 of 7 · Back to EPRAD, Inc.
| Patent | Title | Status | Expires | Confidence |
|---|---|---|---|---|
| US 3,988,626 | Magnetically stabilized xenon arc lamp Term ended Term ended no later than Oct 26, 1996 · Low confidence | Term ended | Term ended no later than Oct 26, 1996 | Low confidence |
| US 4,010,910 | Film supply and take-up system for motion picture projector Term ended Term ended no later than Mar 8, 1997 · Low confidence | Term ended | Term ended no later than Mar 8, 1997 | Low confidence |
| US 4,022,525 | Intermittent film drive for motion picture projector Term ended Term ended no later than May 10, 1997 · Low confidence | Term ended | Term ended no later than May 10, 1997 | Low confidence |
| US 4,105,311 | Film transport system Term ended Term ended no later than Aug 8, 1998 · Low confidence | Term ended | Term ended no later than Aug 8, 1998 | Low confidence |
| US 4,169,566 | Film supply and take-up system for motion picture projector Term ended Term ended no later than Oct 2, 1999 · Low confidence | Term ended | Term ended no later than Oct 2, 1999 | Low confidence |
| US 4,206,415 | Audio amplitude detector circuit Term ended Term ended no later than Jun 3, 2000 · Low confidence | Term ended | Term ended no later than Jun 3, 2000 | Low confidence |
| US 4,293,821 | Audio channel separating apparatus Term ended Term ended no later than Oct 6, 2001 · Low confidence | Term ended | Term ended no later than Oct 6, 2001 | Low confidence |