Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6131462 | Pressure/temperature transducer with improved thermal coupling and enhanced transient response | Errol P. EerNisse, Lon J. Perry, Roger W. Ward | 2000-10-17 |
| 5471882 | Quartz thickness-shear mode resonator temperature-compensated pressure transducer with matching thermal time constants of pressure and temperature sensors | — | 1995-12-05 |
| 5231880 | Pressure transducer assembly | Roger W. Ward | 1993-08-03 |
| 4592663 | Resonator temperature transducer | Errol P. EerNisse | 1986-06-03 |
| 4526247 | Weighing scale transducer | Errol P. EerNisse, Mark D. Gaiser, John P. Hanley, Walter P. Kistler, Jerome M. Paros | 1985-07-02 |