Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4748663 | Loudspeaking telephone instrument | Ian R. Phillips, Lawrence J. Hibberd | 1988-05-31 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4748663 | Loudspeaking telephone instrument | Ian R. Phillips, Lawrence J. Hibberd | 1988-05-31 |