Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7694549 | Pneumatic gauging system A.K.A. air gauging system A.K.A. air electric converter | — | 2010-04-13 |
| 6762689 | Universal traffic signal display system and apparatus, and method of using the same | — | 2004-07-13 |
| 4752917 | Measurement system using sonic and ultrasonic waves | — | 1988-06-21 |
| 4550592 | Pneumatic gauging circuit | — | 1985-11-05 |