Hallford; Ben R.
Patent Applications and Registrations
Patent applications and USPTO patent grants for Hallford; Ben R..The latest application filed is for "transistor amplifier variable matching transformer apparatus".
- Hallford; Ben R. - Wylie TX
- Hallford; Ben R. - Dallas TX
| Patent | Date |
|---|---|
| Transistor amplifier variable matching transformer apparatus Grant 4,500,847 - Hallford February 19, 1 | 1985-02-19 |
| Universal transistor characteristic matching apparatus Grant 4,472,690 - Hallford September 18, 1 | 1984-09-18 |
| Full balun mixer Grant 4,399,562 - Hallford August 16, 1 | 1983-08-16 |
| Balun coupled microwave frequency converter Grant 4,330,868 - Hallford May 18, 1 | 1982-05-18 |
| Balun filter apparatus Grant 4,240,052 - Hallford , et al. December 16, 1 | 1980-12-16 |
| Signal converter apparatus Grant 4,186,352 - Hallford January 29, 1 | 1980-01-29 |
| Mixer carrier null adjustment Grant 3,870,960 - Hallford , et al. March 11, 1 | 1975-03-11 |
| Microstrip Diode High Isolation Switch Grant 3,678,414 - Hallford July 18, 1 | 1972-07-18 |
| Microwave Balanced Mixer Circuit Grant 3,659,206 - Hallford April 25, 1 | 1972-04-25 |
| Lid Interaction Protected Shield Enclosed Dielectric Mounted Microstrip Grant 3,638,148 - Hallford , et al. January 25, 1 | 1972-01-25 |
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