Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D313803 | Telephone network interface apparatus | Thomas J. Collins | 1991-01-15 |
| 4945560 | Telephone network interface apparatus | Thomas J. Collins | 1990-07-31 |
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D313803 | Telephone network interface apparatus | Thomas J. Collins | 1991-01-15 |
| 4945560 | Telephone network interface apparatus | Thomas J. Collins | 1990-07-31 |