Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4607627 | Solenoid-actuated hygienic appliance | Leland C. Leber | 1986-08-26 |
| 4271407 | Tunnel roof monitor employing an induction coil extensometer | Robert F. Kehrman, Arnold J. Farstad, Michael G. Gibbons | 1981-06-02 |
| 4196422 | Intrusion alarm system | Ronn G. Smith | 1980-04-01 |