Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4481384 | Voice recognizing telephone call denial system | — | 1984-11-06 |
| 4304966 | PBX Field display | Patrick R. Beirn | 1981-12-08 |
| 4227237 | Electronic component cabinet | Brian White | 1980-10-07 |
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4481384 | Voice recognizing telephone call denial system | — | 1984-11-06 |
| 4304966 | PBX Field display | Patrick R. Beirn | 1981-12-08 |
| 4227237 | Electronic component cabinet | Brian White | 1980-10-07 |