Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4802213 | Sound masking in phase reversal TV scrambling system | Richard W. Citta, Dennis M. Mutzabaugh | 1989-01-31 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4802213 | Sound masking in phase reversal TV scrambling system | Richard W. Citta, Dennis M. Mutzabaugh | 1989-01-31 |