Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4672223 | Proving safe operation | David Cowen | 1987-06-09 |
| 4560943 | F.M. demodulator with fail-safe features | Paul D. Negus, Tak C. Ng, David Cowen | 1985-12-24 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4672223 | Proving safe operation | David Cowen | 1987-06-09 |
| 4560943 | F.M. demodulator with fail-safe features | Paul D. Negus, Tak C. Ng, David Cowen | 1985-12-24 |