Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8306675 | Graphic display system for assisting vehicle operators | Konrad Robert Sliwowski | 2012-11-06 |
| 6275590 | Engine noise simulating novelty device | — | 2001-08-14 |
| 6172610 | Sleeping driver detector and alarm system | — | 2001-01-09 |
| 6086072 | In-line skate suspension system | — | 2000-07-11 |
| D419085 | Tire valve stem pressure gauge | — | 2000-01-18 |