Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5774193 | Digital television (HDTV) and analog television (NTSC) broadcast systems combined for simultaneous broadcast | — | 1998-06-30 |
| 5291290 | High power broadcast transmission system with ferrite circulator | Erich Pivit | 1994-03-01 |
| 5128635 | High power ferrite circulator having heating and cooling means | Erich Pivit | 1992-07-07 |
| 4933682 | Point to point microwave communication service antenna pattern with anull in an interering direction | — | 1990-06-12 |
| 4809357 | Transition between rectangular and relatively large circular waveguide for a UHF broadcast antenna | — | 1989-02-28 |
| 4630316 | Transition between rectangular and relatively large circular waveguide for a UHF broadcast antenna | — | 1986-12-16 |
| 4599744 | UHF broadcast antenna on a tower with circular waveguide carrying RF energy up the tower to the antenna with polarization adjustments and exclusions | — | 1986-07-08 |
| 4240155 | Diplexer and multiplexer | — | 1980-12-16 |