Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6609799 | Field-of-view controlling arrangements | — | 2003-08-26 |
| 6504649 | Privacy screens and stereoscopic effects devices utilizing microprism sheets | — | 2003-01-07 |
| 6443579 | Field-of-view controlling arrangements | — | 2002-09-03 |
| 6375326 | Fresnel image floater | — | 2002-04-23 |
| 6331915 | Lighting element including light emitting diodes, microprism sheet, reflector, and diffusing agent | — | 2001-12-18 |
| 6330111 | Lighting elements including light emitting diodes, microprism sheet, reflector, and diffusing agent | — | 2001-12-11 |
| 6226920 | Plant watering device | — | 2001-05-08 |
| 4438592 | Wick bar lift | — | 1984-03-27 |