Issued Patents All Time
Showing 1–10 of 10 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8439361 | Slat puzzle | — | 2013-05-14 |
| 6705740 | Tracking mirror | — | 2004-03-16 |
| 6446373 | Decorative digital screen | — | 2002-09-10 |
| 6330903 | Mechanism for constant balance with method for manufacture of variable pitch screw | — | 2001-12-18 |
| 6198503 | Infra-red video key | — | 2001-03-06 |
| 6135189 | Mechanism for constant balance | — | 2000-10-24 |
| 6003584 | Mechanism for constant balance | — | 1999-12-21 |
| 5871404 | Optical blob | — | 1999-02-16 |
| 5810469 | Combination light concentrating and collimating device and light fixture and display screen employing the same | — | 1998-09-22 |
| 5346433 | Mirror illusion | — | 1994-09-13 |