Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5168191 | Crystal resonator with low acceleration sensitivity and method of manufacture thereof | Errol P. EerNisse, Roger W. Ward | 1992-12-01 |
| 5022130 | Method of manufacturing crystal resonators having low acceleration sensitivity | Errol P. EerNisse, Roger W. Ward | 1991-06-11 |
| 4935658 | Crystal resonator with low acceleration sensitivity and method of manufacture thereof | Errol P. EerNisse, Roger W. Ward | 1990-06-19 |