Issued Patents All Time
Showing 1–11 of 11 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8607922 | High frequency horn having a tuned resonant cavity | — | 2013-12-17 |
| 8548184 | Constant coverage waveguide | — | 2013-10-01 |
| 8325943 | Dual-coil, dual gap electromagnetic transducer with multiple channel amplifiers | Douglas J. Button, Ernest Bird, Alexander V. Salvatti, Jerry Moro | 2012-12-04 |
| 7936892 | Constant coverage waveguide | — | 2011-05-03 |
| 7315627 | Sound-damping laminate for loudspeaker structure | David H. Cox, William J. Gelow | 2008-01-01 |
| 7236606 | Sound system having a HF horn coaxially aligned in the mouth of a midrange horn | — | 2007-06-26 |
| 7039211 | Horn-loaded compression driver system | — | 2006-05-02 |
| 7027605 | Mid-range loudspeaker | — | 2006-04-11 |
| 7013019 | Thermoset composite material baffle for loudspeaker | David H. Cox, Mary Vosse | 2006-03-14 |
| 6513622 | Full-range loudspeaker system for cinema screen | William J. Gelow | 2003-02-04 |
| 6466680 | High-frequency loudspeaker module for cinema screen | William J. Gelow | 2002-10-15 |