Issued Patents 1989
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4885776 | Television signal encoder with reduced transient switching effects | Michael Long, Dennis M. Mutzabaugh | 1989-12-05 |
| 4876718 | Secure data packet transmission system and method | Paul M. Gosc, Dennis M. Mutzabaugh, Gary J. Sgrignoli | 1989-10-24 |
| 4817144 | Secure TV scrambling system using framing code switching | Paul M. Gosc, Dennis M. Mutzabaugh, Gary J. Sgrignoli | 1989-03-28 |
| 4802213 | Sound masking in phase reversal TV scrambling system | John P. Eck, Dennis M. Mutzabaugh | 1989-01-31 |