Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D311401 | Extension attachment for a telephone earpiece | Harry Catey | 1990-10-16 |
| 4905276 | Telephone earpiece extension attachment | Harry Catey | 1990-02-27 |
| D305027 | Extension attachment for a telephone earpiece | Harry Catey | 1989-12-12 |