Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5257639 | Electropneumatic positioner | Robert Claude Prescott, Donald C. Simpson, Philip H. Sanford | 1993-11-02 |
| 5159949 | Electropneumatic positioner | Robert Claude Prescott, Donald C. Simpson, Philip H. Sanford | 1992-11-03 |
| 4766769 | Differential-pressure measuring apparatus with improved arrangement for coupling pressures to a semiconductor sensor | David N. DeMoura | 1988-08-30 |
| 4693121 | Differential-pressure measuring apparatus with improved overpressure protection | David N. De Moura | 1987-09-15 |
| 4221133 | Vibratory-wire pressure sensor | Everett O. Olsen | 1980-09-09 |