Issued Patents All Time
Showing 1–25 of 25 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11894819 | Audio monitoring system | Michael J. Santucci | 2024-02-06 |
| 11095965 | System and method for reducing wind noise in an electronic hearing protector | Tim Monroe, Charles J. Aldous | 2021-08-17 |
| 10779069 | System and method for reducing wind noise in an electronic hearing protector | Tim Monroe, Charles J. Aldous | 2020-09-15 |
| 10476609 | Telecoil hum filter | — | 2019-11-12 |
| 9859990 | Telecoil hum filter | — | 2018-01-02 |
| 9232292 | Electronic earplug windscreen | Andrew J. Haapapuro, Viorel Drambarean, Timothy S. Monroe | 2016-01-05 |
| 8649540 | Electronic earplug | Mead C. Killion, Timothy S. Monroe, Viorel Drambarean | 2014-02-11 |
| 8460816 | Rechargeable battery assemblies and methods of constructing rechargeable battery assemblies | Timothy S. Monroe, Mead C. Killion, John Edward Oltman | 2013-06-11 |
| 8237402 | Magnetically coupled battery charging system | Timothy S. Monroe | 2012-08-07 |
| 8174233 | Magnetically coupled battery charging system | Timothy S. Monroe | 2012-05-08 |
| 8174234 | Magnetically coupled battery charging system | Timothy S. Monroe | 2012-05-08 |
| 8160261 | Audio monitoring system | Robert B. Schulein, Michael J. Santucci | 2012-04-17 |
| 8022775 | Systems and methods for maintaining a drive signal to a resonant circuit at a resonant frequency | Timothy S. Monroe | 2011-09-20 |
| 7522740 | Multi-coil coupling system for hearing aid applications | Viorel Drambarean, Willem Soede | 2009-04-21 |
| 7110553 | Directional microphone assembly for mounting behind a surface | Robert B. Schulein | 2006-09-19 |
| 7099486 | Multi-coil coupling system for hearing aid applications | Viorel Drambarean, Willem Soede | 2006-08-29 |
| 6694034 | Transmission detection and switch system for hearing improvement applications | Elmer V. Carlson, Norman P. Matzen, Robert B. Schulein, Willem Soede | 2004-02-17 |
| 6560344 | Miniature surface mounted directional microphone assembly | Robert B. Schulein, Viorel Drambarean | 2003-05-06 |
| 5673327 | Microphone mixer | — | 1997-09-30 |
| 5297210 | Microphone actuation control system | — | 1994-03-22 |
| 4991166 | Echo reduction circuit | — | 1991-02-05 |
| 4811019 | Delta modulation encoding/decoding circuitry | Mark Gilbert | 1989-03-07 |
| 4712231 | Teleconference system | — | 1987-12-08 |
| 4696036 | Directional enhancement circuit | — | 1987-09-22 |
| 4658425 | Microphone actuation control system suitable for teleconference systems | — | 1987-04-14 |