Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D866381 | Siren | Mark Siminoff, Spiro Sacre, Andrew Louis Russell, Peter Gerstberger, Christopher Loew | 2019-11-12 |
| D850939 | Flood and freeze sensor | Mark Siminoff, Spiro Sacre, Andrew Louis Russell, Peter Gerstberger, Christopher Loew | 2019-06-11 |
| 5321758 | Power efficient hearing aid | Albert J. Charpentier, Duane J. Loeper, Brian McLaughlin, Edouard A. Gauthier | 1994-06-14 |
| 5111506 | Power efficient hearing aid | Albert J. Charpentier, Duane J. Loeper, Brian McLaughlin, Edouard A. Gauthier | 1992-05-05 |
| 4572506 | Raster line comparator circuit for video game | — | 1986-02-25 |
| 4569019 | Video sound and system control circuit | Bruce Ahrens, Robert Raible, Chaoynan E. Yang | 1986-02-04 |
| 4551682 | Digital sine-cosine generator | Albert J. Charpentier, James Redfield | 1985-11-05 |