Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6062339 | Compact spiral cavity loudspeaker enclosure | — | 2000-05-16 |
| 5636955 | Surface mount ring assembly for loudspeaker | J. Craig Oxford | 1997-06-10 |
| 5394478 | Low frequency sound generation system for use in vehicular passenger compartments | Lawrence B. Nile | 1995-02-28 |
| 5067583 | Polymer-filled audio loudspeaker cabinet | — | 1991-11-26 |
| D262793 | Loudspeaker | Peter A. Latham, Paul E. Brefka | 1982-01-26 |
| 4295011 | Linear excursion-constant inductance loudspeaker | — | 1981-10-13 |
| 4289929 | Loudspeaker and enclosure combination | — | 1981-09-15 |