Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5163093 | Microphone mounting for a person's neck | Alan Hofer, Peter Untersander | 1992-11-10 |
| 5054079 | Bone conduction microphone with mounting means | Alan Hofer, Peter Untersander | 1991-10-01 |
| D278147 | Phonograph cartridge | John Kuykendall, Alan Hofer | 1985-03-26 |
| D266244 | Collapsible headset | Alan Hofer | 1982-09-21 |