Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D405465 | Material sensor | Dale G. Hall, Hank Burke | 1999-02-09 |
| D379815 | Horn tweeter | — | 1997-06-10 |
| D378921 | Horn tweeter | — | 1997-04-22 |
| D375463 | Superhorn | — | 1996-11-12 |
| D354058 | Dual-driver speaker | Richard G. Foster, Thomas H. Tichy | 1995-01-03 |
| 4407476 | Combined shelf and clothes bar assembly | — | 1983-10-04 |