Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4626863 | Low side lobe Gregorian antenna | Charles M. Knop, Edward L. Ostertag | 1986-12-02 |
| 4410892 | Reflector-type microwave antennas with absorber lined conical feed | Charles M. Knop, Edward L. Ostertag, Donald W. Matz, Jr. | 1983-10-18 |