Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7158642 | Method and apparatus for producing a phantom three-dimensional sound space with recorded sound | — | 2007-01-02 |
| 6434250 | Stereo headset with angled speakers | — | 2002-08-13 |
| 4441540 | Bottom rail structural configuration for a venetian blind | — | 1984-04-10 |
| 4377194 | Tilt and lift mechanism for venetian blind | — | 1983-03-22 |
| 4282095 | Aquarium filtering system | — | 1981-08-04 |