Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D272440 | Clip on device for locking touch tone telephones | — | 1984-01-31 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D272440 | Clip on device for locking touch tone telephones | — | 1984-01-31 |