Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5105393 | SCR control for high current discharge circuit | — | 1992-04-14 |
| 5054005 | Apparatus and method for determining travel time of acoustic energy | — | 1991-10-01 |
| 5043950 | Apparatus and method for distance determination | Robert D. Butler | 1991-08-27 |