Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date | Approx Value ⓘ |
|---|---|---|---|---|
| 11424606 | Electrical device assembly and securing mechanism | Charles D. Gollnick, Joshua Beltran, Rashid Skaf, Joseph E. Andrulis, Doug S. Wright | 2022-08-23 | |
| 6712177 | Cross-fired multiple horn loudspeaker system | — | 2004-03-30 | |
| 4325456 | Acoustical transformer for compression-type loudspeaker with an annular diaphragm | — | 1982-04-20 | $95,000 |
| 4187926 | Loudspeaker horn | Clifford A. Henricksen | 1980-02-12 | $224,000 |