Issued Patents All Time
Showing 1–22 of 22 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4713620 | Dual signal amplitude modifying and combining apparatus | Karl R. Varian | 1987-12-15 |
| 4713730 | Microwave plug-in signal amplifying module solderment apparatus | Robert W. McKenzie | 1987-12-15 |
| 4625179 | Space feedback apparatus for field effect transistors | — | 1986-11-25 |
| 4604585 | Microwave plug-in signal amplifying module | — | 1986-08-05 |
| 4500847 | Transistor amplifier variable matching transformer apparatus | — | 1985-02-19 |
| 4472690 | Universal transistor characteristic matching apparatus | — | 1984-09-18 |
| 4399562 | Full balun mixer | — | 1983-08-16 |
| 4392250 | Symmetric microwave mixer | — | 1983-07-05 |
| 4392251 | Symmetric microwave mixer with coplanar diode connection | — | 1983-07-05 |
| 4380831 | Symmetric microwave mixer with improved isolation | — | 1983-04-19 |
| 4375700 | Low frequency converter with isolated mixer sections | — | 1983-03-01 |
| 4375699 | Microwave frequency converter with dual balun port | — | 1983-03-01 |
| 4371982 | Microwave frequency converter with economical coupling | — | 1983-02-01 |
| 4367560 | Low frequency converter with diode quad mixer | — | 1983-01-04 |
| 4365350 | Low frequency converter with diode pair mixer | — | 1982-12-21 |
| 4359782 | Microwave mixer with linking juxtaposed balun port | — | 1982-11-16 |
| 4359781 | Balun coupled microwave frequency converter with single pair of diodes | — | 1982-11-16 |
| 4330868 | Balun coupled microwave frequency converter | — | 1982-05-18 |
| 4302739 | Balun filter apparatus | — | 1981-11-24 |
| 4245356 | Frequency translator | — | 1981-01-13 |
| 4240052 | Balun filter apparatus | Bruce C. Lutz | 1980-12-16 |
| 4186352 | Signal converter apparatus | — | 1980-01-29 |