Issued Patents 1994
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5317632 | Timed telephone silencer. (telephone silencer with timer function) | — | 1994-05-31 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5317632 | Timed telephone silencer. (telephone silencer with timer function) | — | 1994-05-31 |