Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7426909 | Cooling system for a machine | Andy Stough, Robert Miller, John Edward Preble, Jr., Allen Joseph Meek, Darryl W. Smith | 2008-09-23 |
| 5508661 | Fast tuning YIG frequency synthesizer | Christopher F. Schiebold | 1996-04-16 |
| 5418507 | Yig tuned high performance filters using full loop, nonreciprocal coupling | Christopher F. Schiebold, Dirk M. Hoekstra | 1995-05-23 |
| 5221912 | YIG tuned band reject filter for 2-18 GHz with full one-quarter wavelength RF coupling loops | Cristopher F. Schiebold, Dirk M. Hoekstra | 1993-06-22 |
| 4263554 | Frequency discriminator apparatus | — | 1981-04-21 |
| 4216447 | High performance ferromagnetic filters applicable from the VHF through the microwave frequency ranges | John A. Mezak | 1980-08-05 |