Issued Patents All Time
Showing 26–48 of 48 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5963846 | Method and system for repeating pages | — | 1999-10-05 |
| 5930679 | Satellite-based ring alert apparatus and method of use | Keith Andrew Olds, Gregory B. Vatt | 1999-07-27 |
| 5930268 | Transceiver and associated method for surviving fades | John W. Arens, Kathleen Helen Ryan | 1999-07-27 |
| 5889492 | Method and apparatus for an acquisition-aided Geo-locating subscriber unit | Thomas M. King | 1999-03-30 |
| 5808585 | Method of configuring multiple-arm antenna element in a radome | Michael Frenzer, Kevin Thill | 1998-09-15 |
| 5761608 | Method and apparatus for inter-node handoff of a radio frequency communication unit | Michael John Andresen, Keith Andrew Olds, Bradley B. Bakke | 1998-06-02 |
| 5737685 | Co-located subscriber unit to subscriber unit communication within a satellite communication system | Robert J. Locascio, Michael Frenzer, Michael P. Gaynor, Joan E. Zocher | 1998-04-07 |
| 5613194 | Satellite-based cellular messaging system and method of operation thereof | Keith Andrew Olds, Gregory B. Vatt | 1997-03-18 |
| 5606332 | Dual function antenna structure and a portable radio having same | William Herbert Darden, IV, Kevin Thill | 1997-02-25 |
| 5603079 | Satellite-based messaging system transmitting during guard band of satellite-based telephone system and method of operation thereof | Keith Andrew Olds, Gregory B. Vatt | 1997-02-11 |
| 5600341 | Dual function antenna structure and a portable radio having same | Kevin Thill | 1997-02-04 |
| 5596315 | Message unit for use with multi-beam satellite-based messaging system and method of operation thereof | Keith Andrew Olds, Gregory B. Vatt | 1997-01-21 |
| 5574968 | Satellite cellular communication methods for performing cell-to-cell handoff | Keith Andrew Olds, James P. Redden | 1996-11-12 |
| 5559806 | Transceiver having steerable antenna and associated method | John W. Arens, James P. Phillips | 1996-09-24 |
| 5548800 | Satellite telecommunication system with apparatus for protecting radio astronomy and method of using same | Keith Andrew Olds | 1996-08-20 |
| 5521941 | Automatic threshold control for multi-level signals | David G. Wiatrowski, Matthew R. Miller | 1996-05-28 |
| 5396643 | Geographic-area selective low-earth satellite-based paging broadcast system and method | Michael Frenzer, Robert J. Locascio, Joan E. Zocher, Dwight D. Walthers, Martin Seitz | 1995-03-07 |
| 5347542 | Demodulation selection for a communication signal | Donald R. Beyer, Anne P. Davies-Walsh, Kevin L. Fluharty, Matthew R. Miller | 1994-09-13 |
| 5239672 | Synchronization method and apparatus for simulcast transmission system | John P. Monson, Krsman Martinovich, David G. Wiatrowski | 1993-08-24 |
| 4608699 | Simulcast transmission system | Percy P. Batlivala | 1986-08-26 |
| 4491806 | Resonant cavity with integrated microphonic suppression means | Gary R. Reynolds, Thomas R. Gaynor, Raul Olivera, Ross E. Ruthenberg, Jay G. Smith +1 more | 1985-01-01 |
| 4481489 | Binary signal modulating circuitry for frequency modulated transmitters | — | 1984-11-06 |
| 4449250 | Radio-frequency synthesizer for duplex radios | — | 1984-05-15 |