| 12284472 |
Wearable microphone transmitter for use with a plurality of headphones |
Joseph E. Genovese, Nadim El-Fata |
2025-04-22 |
| 10833842 |
Wireless audio system with multipoint connectivity using DECT or bluetooth |
Joseph E. Genovese |
2020-11-10 |
| 9150433 |
Dynamo powered ultraviolet water purification system |
Miles Maiden |
2015-10-06 |
| 7187768 |
Apparatus for cord-free hands-free telephony |
Richard W. Hale |
2007-03-06 |
| 6731751 |
Apparatus for cordless computer telephony |
— |
2004-05-04 |
| 6580797 |
Amplifier circuit for electret microphone with enhanced performance |
David J. Truesdell |
2003-06-17 |
| 6504937 |
Amplifier circuit for electret microphone with enhanced performance |
David J. Truesdell |
2003-01-07 |
| 6266424 |
Electret microphone circuit with low battery disable |
David J. Truesdell |
2001-07-24 |
| 6137879 |
Computer telephony headset amplifier |
David J. Truesdell, Daniel Davidson |
2000-10-24 |
| 6128384 |
Self configuring telephone headset amplifier |
David J. Truesdell |
2000-10-03 |
| 5978491 |
Circuitry for improving performance of electret microphone |
— |
1999-11-02 |
| 5623544 |
Telephone headset interface circuit |
— |
1997-04-22 |
| 5544243 |
Telephone headset interface circuit |
— |
1996-08-06 |
| 5379456 |
Multiplying saw phase shift envelope detector |
— |
1995-01-03 |
| 5146227 |
Sweeping receiver |
— |
1992-09-08 |