Hopfer; Samuel
Patent Applications and Registrations
Patent applications and USPTO patent grants for Hopfer; Samuel.The latest application filed is for "high-speed external integrated optical modulator".
- Hopfer; Samuel - Jerusalem IL
- Hopfer; Samuel - Brooklyn NY
| Patent | Date |
|---|---|
| High-speed external integrated optical modulator Grant 5,455,876 - Hopfer , et al. October 3, 1 | 1995-10-03 |
| Digital programmable attenuator Grant 4,438,415 - Hopfer March 20, 1 | 1984-03-20 |
| Broadband radiation detector for microwave and lower frequencies Grant 4,392,108 - Hopfer July 5, 1 | 1983-07-05 |
| Microstrip coupler for microwave signals Grant 4,288,761 - Hopfer September 8, 1 | 1981-09-08 |
| Broadband radiation detector with diode elements Grant 4,207,518 - Hopfer June 10, 1 | 1980-06-10 |
| Variable microwave attenuator Grant 4,009,456 - Hopfer * February 22, 1 | 1977-02-22 |
| Radiation detector Grant 3,931,573 - Hopfer January 6, 1 | 1976-01-06 |
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