Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4532959 | Valving element for a plate-type valve | Kevin Hartshorn | 1985-08-06 |
| 4511946 | Programmable combination electronic lock | — | 1985-04-16 |
| 4310266 | Friction rock stabilizer and method of inserting same in an earth structure bore | Richard G. Malsbury | 1982-01-12 |