Issued Patents 2002
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6431719 | Dynamic display night light | Shek Fai Lau, Richard J. Thalheimer | 2002-08-13 |
| 6419544 | Battery powered gyroscopic entertainment device and system | Andrew Parker, Charles E. Taylor, Richard J. Thalheimer | 2002-07-16 |
| 6368176 | Text/icon display predictor entertainment device | Joseph F. Lozowski | 2002-04-09 |
| 6359549 | Electronic sound generator with enhanced sound | Shek Fai Lau, Richard J. Thalheimer, Tristan M. Christianson, Charles E. Taylor | 2002-03-19 |