Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6059062 | Powered roller skates | Jeffrey H. Lang | 2000-05-09 |
| 6050357 | Powered skateboard | Jeffrey H. Lang | 2000-04-18 |
| 5130614 | Ribbon beam cathode ray tube | — | 1992-07-14 |
| 4822145 | Method and apparatus utilizing waveguide and polarized light for display of dynamic images | — | 1989-04-18 |