Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6945664 | Light signal by inverting | Sherrie Frieling | 2005-09-20 |
| 5988097 | Watercraft stabilized by controlled hydrofoil elevation | Steven Karney | 1999-11-23 |
| 5857028 | Computer access control by finger anatomy and comprehension testing | — | 1999-01-05 |
| 5839386 | Vehicle stabilizing by rotating mass | Steven Karney | 1998-11-24 |
| 5264834 | Power equipment warning device | Howard Silken | 1993-11-23 |
| 4669487 | Identification device and method | — | 1987-06-02 |