Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4458813 | Housing for a video cassette playback machine | Joseph S. Tushinsky, James S. Murchison | 1984-07-10 |
| 4227590 | Grille for loudspeaker cabinet | Axel M. Heden, deceased | 1980-10-14 |
| D254786 | Loudspeaker grille | — | 1980-04-22 |