Issued Patents 1994
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5349986 | Valve mechanism for an acoustic modulator | James L. Sullivan | 1994-09-27 |
| 5311180 | Digital circuit for the introduction and later removal of dither from an analog signal | — | 1994-05-10 |