Issued Patents All Time
Showing 25 most recent of 26 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12295813 | Dual hearing protection system | Paul D. Henry, Oscar L. Kårekull, Cameron J. Fackler, Andreas Andersson, Abel Gladstone Mangam | 2025-05-13 |
| 11963849 | Dual hearing protection system | Paul D. Henry, Oscar L. Kårekull, Cameron J. Fackler, Andreas Andersson, Abel Gladstone Mangam | 2024-04-23 |
| 11337861 | Electronic hearing protector with switchable electrical contacts | — | 2022-05-24 |
| 10987251 | Electronic hearing protector with switchable electrical contacts | — | 2021-04-27 |
| 10879949 | Device, system and method for reducing communications crosstalk between channels | Gregory G. Tamer, John Edward Baczewski, Raul B. Montalvo, Grant Colin WUNSCH | 2020-12-29 |
| 10485706 | Electronic hearing protector with switchable electrical contacts | — | 2019-11-26 |
| 10230420 | Device, system and method for reducing communications crosstalk between channels | Gregory G. Tamer, John Edward Baczewski, Raul B. Montalvo, Grant Colin WUNSCH | 2019-03-12 |
| 8810058 | Multi-use input | — | 2014-08-19 |
| 8624601 | System and method for determining physical status of switch elements | Justin Ian Kimes, Ronald H. Jaeger, Charlie Capps, Timothy Scalzo, David Heady | 2014-01-07 |
| 8120414 | Low-noise current source | — | 2012-02-21 |
| RE40960 | Switched signal processing circuit | — | 2009-11-10 |
| 7499392 | OFDM equalizer filter with shared multiplier | — | 2009-03-03 |
| 7212247 | Audio/video system providing variable delay | — | 2007-05-01 |
| 6888414 | Controllable and testable oscillator apparatus for an integrated circuit | — | 2005-05-03 |
| 6639422 | Multi-clock integrated circuit with clock generator and bi-directional clock pin arrangement | — | 2003-10-28 |
| 6549593 | Interface apparatus for interfacing data to a plurality of different clock domains | Mark Francis Rumreich | 2003-04-15 |
| 6480045 | Digital frequency multiplier | — | 2002-11-12 |
| 6456135 | System and method for single pin reset a mixed signal integrated circuit | — | 2002-09-24 |
| 6310570 | System with adjustable ADC clock phase | Mark Francis Rumreich, John W. Gyurek | 2001-10-30 |
| 5517109 | Apparatus within an integrated circuit for automatically detecting a test mode of operation of the integrated circuit and selecting a test clock signal | John W. Gyurek, Christopher Duncan | 1996-05-14 |
| 5377272 | Switched signal processing circuit | — | 1994-12-27 |
| 5373562 | Signal processor for sterophonic signals | — | 1994-12-13 |
| 5066868 | Apparatus for generating phase shifted clock signals | James H. Doty, Harold Blatter | 1991-11-19 |
| 5030922 | Supply current compensation circuitry | Mark Francis Rumreich | 1991-07-09 |
| 4691234 | Noise reduction circuit for television multi-channel sound | — | 1987-09-01 |