Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5383079 | Portable information reproducing and voice amplifying apparatus | — | 1995-01-17 |
| 5349480 | Portable audio apparatus | — | 1994-09-20 |
| 5303109 | Portable information reproducing and voice amplifying apparatus | — | 1994-04-12 |
| D338204 | Combined microphone and compact disc player | — | 1993-08-10 |
| 5225944 | Portable audio apparatus | — | 1993-07-06 |
| 5214543 | Portable audio apparatus having a power savings device | — | 1993-05-25 |
| 5208717 | Portable information reproducing and voice amplifying apparatus | — | 1993-05-04 |