Issued Patents All Time
Showing 1–12 of 12 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6441787 | Microstrip phase shifting reflect array antenna | Randy J. Richards, Edwin W. Dittrich, Jerry M. Grimm | 2002-08-27 |
| 6181277 | Microstrip antenna | Thomas S. Watson | 2001-01-30 |
| 6127974 | Direction finding apparatus | — | 2000-10-03 |
| 6063511 | Low cost thin film magnetodielectric material | Donald L. Purinton | 2000-05-16 |
| 6028692 | Controllable optical periodic surface filter | Charles M. Rhoads, Gary A. Frazier, Richard G. Hoffman, II, Daniel Ryan | 2000-02-22 |
| 6020853 | Microstrip phase shifting reflect array antenna | Randy J. Richards, Edwin W. Dittrich, Jerry M. Grimm | 2000-02-01 |
| 5661594 | Controllable optical periodic surface filters | Charles M. Rhoads, Gary A. Frazier, Richard G. Hoffman, II, Daniel Ryan | 1997-08-26 |
| 5627672 | Controllable optical periodic surface filters as a Q-switch in a resonant cavity | Charles M. Rhoads, Gary A. Frazier, Richard G. Hoffman, II, Daniel Ryan | 1997-05-06 |
| 5619365 | Elecronically tunable optical periodic surface filters with an alterable resonant frequency | Charles M. Rhoads, Gary A. Frazier, Richard G. Hoffman, II, Daniel Ryan | 1997-04-08 |
| 5619366 | Controllable surface filter | Charles M. Rhoads, Gary A. Frazier, Richard G. Hoffman, II, Daniel Ryan | 1997-04-08 |
| 5212494 | Compact multi-polarized broadband antenna | Dean A. Hofer, Lowell Lee Loyet | 1993-05-18 |
| 5119052 | GaAs monolithic waveguide switch | Larry Witkowski, Hua Q. Tserng, Robert C. Voges, Charles M. Rhoads | 1992-06-02 |