Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4649570 | Headset receiver cartridge and earphone case therefor | William H. Terbrack, Harvey F. Brion | 1987-03-10 |
| 4465907 | Headset receiver and sanitizing storage system therefor | Harvey F. Brion, William H. Terbrack | 1984-08-14 |