Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8830122 | Phase rate of change techniques for passive geo-location of radio frequency emitters | Suzanne Elaine Holden, Edward F. Van Alstine, Robert G. Palazzo, Martin Apa | 2014-09-09 |
| 6784840 | Method for determining azimuth and elevation angles using a single axis direction finding system | Edward Van Alstine | 2004-08-31 |
| 6061022 | Azimuth and elevation direction finding system based on hybrid amplitude/phase comparison | Albert Harding, Edward F. Van Alstine | 2000-05-09 |
| 5541608 | Hybrid amplitude/phase comparison direction finding system | Myles Patrick Murphy, Albert Harding | 1996-07-30 |