Microtech Corporation
Records under this name other than patents Microtech Corporation holds now: patents now held by others, patents whose terms have ended, and its applications, pending or abandoned.
Showing 1 to 8 of 8 · Back to Microtech Corporation
| Patent | Title | Status | Expires | Confidence |
|---|---|---|---|---|
| US 6,124,682 | Lamp driver circuit using resonant circuit for starting lamp Lapsed on the fee record Ended Sep 26, 2008 · From the USPTO record | Lapsed on the fee record | Ended Sep 26, 2008 | From the USPTO record |
| US 6,404,896 | Electric-acoustic transducer having dual voice coil drivers Lapsed on the fee record Ended Jun 11, 2006 · From the USPTO record | Lapsed on the fee record | Ended Jun 11, 2006 | From the USPTO record |
| US 6,389,148 | Electric-acoustic transducer having moving magnet and transducing method thereof Lapsed on the fee record Ended May 14, 2006 · From the USPTO record | Lapsed on the fee record | Ended May 14, 2006 | From the USPTO record |
| US 6,385,328 | Electro-acoustic micro-transducer having three-mode reproduction feature Lapsed on the fee record Ended May 7, 2006 · From the USPTO record | Lapsed on the fee record | Ended May 7, 2006 | From the USPTO record |
| US 4,517,994 | Flat cigarette lighter Term ended Term ended no later than May 21, 2005 · Low confidence | Term ended | Term ended no later than May 21, 2005 | Low confidence |
| US 4,595,352 | Single-action ultra-thin cigarette lighter Term ended Term ended no later than Jun 17, 2006 · Low confidence | Term ended | Term ended no later than Jun 17, 2006 | Low confidence |
| US 4,681,102 | Apparatus and method for insertion of an intra-ocular lens Formerly held Term ended Term ended no later than Jul 21, 2007 · Low confidence | Term ended | Term ended no later than Jul 21, 2007 | Low confidence |
| US 5,668,423 | Exciter for generating vibration in a pager Term ended Term ended no later than Sep 16, 2017 · Low confidence | Term ended | Term ended no later than Sep 16, 2017 | Low confidence |