Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5257530 | Acoustic sand detector for fluid flowstreams | Alan G. Beattie | 1993-11-02 |
| 5172591 | Oil well sucker rod load measurement | — | 1992-12-22 |
| 5022850 | Pilot flame apparatus | — | 1991-06-11 |