Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7256512 | Variable aperture velocity augmented ducted fan wind turbine | — | 2007-08-14 |
| 5872853 | Noise abatement device | — | 1999-02-16 |
| 4856071 | Planar loudspeaker system | — | 1989-08-08 |
| 4792978 | Planar loudspeaker system | — | 1988-12-20 |
| 4385210 | Electro-acoustic planar transducer | — | 1983-05-24 |