The Engineering Consortium, Inc.
Records under this name other than patents The Engineering Consortium, Inc. holds now: patents now held by others, patents whose terms have ended, and its applications, pending or abandoned.
Showing 1 to 7 of 7 · Back to The Engineering Consortium, Inc.
| Patent | Title | Status | Expires | Confidence |
|---|---|---|---|---|
| US 6,307,490 | Digital to analog converter trim apparatus and method Term ended Term ended Sep 30, 2019 · From the USPTO record | Term ended | Term ended Sep 30, 2019 | From the USPTO record |
| US 6,405,164 | Audio compression circuit and method Lapsed on the fee record Ended Jun 11, 2014 · From the USPTO record | Lapsed on the fee record | Ended Jun 11, 2014 | From the USPTO record |
| US 6,462,929 | Battery polarity insensitive integrated circuit amplifier Lapsed on the fee record Ended Oct 8, 2010 · From the USPTO record | Lapsed on the fee record | Ended Oct 8, 2010 | From the USPTO record |
| US 6,448,852 | Battery polarity insensitive integrated circuit amplifier Lapsed on the fee record Ended Sep 10, 2010 · From the USPTO record | Lapsed on the fee record | Ended Sep 10, 2010 | From the USPTO record |
| US 6,445,233 | Multiple time constant rectifier apparatus and method Lapsed on the fee record Ended Sep 3, 2010 · From the USPTO record | Lapsed on the fee record | Ended Sep 3, 2010 | From the USPTO record |
| US 6,424,208 | Switched capacitor filter with integrated voltage multiplier Lapsed on the fee record Ended Jul 23, 2010 · From the USPTO record | Lapsed on the fee record | Ended Jul 23, 2010 | From the USPTO record |
| US 6,157,252 | Battery polarity insensitive integrated circuit amplifier Lapsed on the fee record Ended Dec 5, 2004 · From the USPTO record | Lapsed on the fee record | Ended Dec 5, 2004 | From the USPTO record |