Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11612140 | Chew resistant, reflective adjustable dog collar | — | 2023-03-28 |
| D953315 | Television cover | — | 2022-05-31 |
| 7162368 | Barometric floor level indicator | Toan Vu | 2007-01-09 |
| 7103471 | Multi-mode navigation device and method | Charles T. Judd, Steven J. Davis | 2006-09-05 |
| 7005584 | Compact navigation device assembly | Ron Fang | 2006-02-28 |
| 6842991 | Gyro aided magnetic compass | Robert R. Marshall | 2005-01-18 |
| 6813582 | Navigation device for personnel on foot | Robert R. Marshall | 2004-11-02 |
| 5583776 | Dead reckoning navigational system using accelerometer to measure foot impacts | Thomas H. Judd | 1996-12-10 |