Engdahl; Jean
Patent Applications and Registrations
Patent applications and USPTO patent grants for Engdahl; Jean.The latest application filed is for "programmable logic apparatus for entering, processing and transmitting data".
- Engdahl; Jean - Bienne CH
- Engdahl; Jean - 2504 Bienne Canton of Berne CH
| Patent | Date |
|---|---|
| Programmable logic apparatus for entering, processing and transmitting data Grant 4,510,602 - Engdahl , et al. April 9, 1 | 1985-04-09 |
| Personal dosimeter with reminder time Grant 4,320,393 - Engdahl March 16, 1 | 1982-03-16 |
| Sealed piezoelectric resonator with integral mounting frame Grant 4,216,402 - Engdahl August 5, 1 | 1980-08-05 |
| Quartz crystal resonator Grant 4,124,809 - Engdahl , et al. November 7, 1 | 1978-11-07 |
| Fastening and suspension element for a piezoelectric resonator Grant 4,104,553 - Engdahl , et al. August 1, 1 | 1978-08-01 |
| Quartz piezo-electric element vibrating in a coupled mode Grant 4,071,797 - Zumsteg , et al. January 31, 1 | 1978-01-31 |
| Process for manufacturing piezoelectric resonators and resonators resulting from such process Grant 4,012,648 - Engdahl March 15, 1 | 1977-03-15 |
| Data entry and decoding system for scripted data Grant 4,005,400 - Engdahl January 25, 1 | 1977-01-25 |
| Method Of Making A Quartz Bar Resonator Grant 3,857,146 - Engdahl December 31, 1 | 1974-12-31 |
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