Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8537068 | Method and apparatus for tri-band feed with pseudo-monopulse tracking | Larry C. Martin, Yueh-Chi Chang, William Call | 2013-09-17 |
| 6724277 | Radio frequency antenna feed structures having a coaxial waveguide and asymmetric septum | Richard H. Holden, Fernando Beltran | 2004-04-20 |
| 6720933 | Dual band satellite communications antenna feed | Yueh-Chi Chang, Richard H. Holden | 2004-04-13 |