Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5885213 | Method and apparatus for reducing ambient noise effects in electronic monitoring instruments | Charles Richardson, Michael Bernstein, Jerry K. Okikawa | 1999-03-23 |
| 5713355 | Method and apparatus for reducing ambient noise effects in electronic monitoring instruments | Charles Richardson, Michael Bernstein, Jerry K. Okikawa | 1998-02-03 |
| 5555882 | Method and apparatus for reducing ambient noise effects in electronic monitoring instruments | Charles Richardson, Michael Bernstein, Jerry K. Okikawa | 1996-09-17 |
| 5368224 | Method for reducing ambient noise effects in electronic monitoring instruments | Charles Richardson, Michael Bernstein, Jerry K. Okikawa | 1994-11-29 |