Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6754502 | Geolocation of cellular phone using supervisory audio tone transmitted from single base station | Robert C. Hildebrand, Robert W. Boyd, David A. Hosang | 2004-06-22 |
| 6708032 | Base station hand-off mechanism for cellular communication system | Gayle Patrick Martin, Gates H. Fortier, Joseph A. Brasic | 2004-03-16 |
| 6504515 | High capacity broadband cellular/PCS base station using a phased array antenna | Brian Holt, Robert C. Hildebrand | 2003-01-07 |
| 6411612 | Selective modification of antenna directivity pattern to adaptively cancel co-channel interference in TDMA cellular communication system | Karen W. Halford, Gayle Patrick Martin, Mark A. Webster, Gregory Sinclair | 2002-06-25 |
| 6292665 | Geolocation of cellular phone using supervisory audio tone transmitted from single base station | Robert C. Hildebrand, Robert W. Boyd, David A. Hosang | 2001-09-18 |
| 6240290 | Base station hand-off mechanism for cellular communication system | Gayle Patrick Martin, Gates H. Fortier, Joseph A. Brasic | 2001-05-29 |
| 6226531 | High capacity broadband cellular/PCS base station using a phased array antenna | Brian Holt, Robert C. Hildebrand | 2001-05-01 |