Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4876718 | Secure data packet transmission system and method | Richard W. Citta, Dennis M. Mutzabaugh, Gary J. Sgrignoli | 1989-10-24 |
| 4817144 | Secure TV scrambling system using framing code switching | Richard W. Citta, Dennis M. Mutzabaugh, Gary J. Sgrignoli | 1989-03-28 |