Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4545407 | Jam compensating control valve | — | 1985-10-08 |
| 4502336 | Pressure measuring device | Brian G. Donnelly | 1985-03-05 |
| 4501157 | Vortex shedding flow measuring transducer | Robert H. Perkinson, Brian G. Donnelly | 1985-02-26 |
| 4387300 | Optical transducer | Kenneth P. Hansen | 1983-06-07 |
| 4263834 | Rivet and construction thereof | — | 1981-04-28 |