Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4277655 | Automatic gain repeater | — | 1981-07-07 |
| 4258231 | Remote line switching extension for telephone exchange | Vernon C. Lenz, William H. Draeger | 1981-03-24 |
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4277655 | Automatic gain repeater | — | 1981-07-07 |
| 4258231 | Remote line switching extension for telephone exchange | Vernon C. Lenz, William H. Draeger | 1981-03-24 |