Ledex Inc.
Records under this name other than patents Ledex 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 3,970,981 | Electric solenoid structure Term ended Term ended no later than Jul 20, 1996 · Low confidence | Term ended | Term ended no later than Jul 20, 1996 | Low confidence |
| US 4,044,324 | Coil compressed plunger cavity components for a wet type solenoid Term ended Term ended no later than Aug 23, 1997 · Low confidence | Term ended | Term ended no later than Aug 23, 1997 | Low confidence |
| US 4,097,833 | Electromagnetic actuator Term ended Term ended no later than Jun 27, 1998 · Low confidence | Term ended | Term ended no later than Jun 27, 1998 | Low confidence |
| US 4,135,150 | Decoder circuit for detecting sequentially presented code digit signals Formerly held Term ended Term ended no later than Jan 16, 1999 · Low confidence | Term ended | Term ended no later than Jan 16, 1999 | Low confidence |
| US 4,153,890 | Coil compressed solenoids subassembly Term ended Term ended no later than May 8, 1999 · Low confidence | Term ended | Term ended no later than May 8, 1999 | Low confidence |
| US 4,157,521 | Rotary solenoid Term ended Term ended no later than Jun 5, 1999 · Low confidence | Term ended | Term ended no later than Jun 5, 1999 | Low confidence |
| US 4,200,401 | Print wire solenoid Formerly held Term ended Term ended no later than Apr 29, 2000 · Low confidence | Term ended | Term ended no later than Apr 29, 2000 | Low confidence |
| US 4,217,567 | Tubular solenoid Formerly held Term ended Term ended no later than Aug 12, 2000 · Low confidence | Term ended | Term ended no later than Aug 12, 2000 | Low confidence |
| US 4,235,114 | Material testing device Formerly held Term ended Term ended no later than Nov 25, 2000 · Low confidence | Term ended | Term ended no later than Nov 25, 2000 | Low confidence |
| US 4,272,748 | Print wire solenoid 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 |