Issued Patents All Time
Showing 426–443 of 443 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5621417 | Method and mechanism for reduction of within-train reported data | John E. Hershey | 1997-04-15 |
| 5616824 | Instrument for detecting potential future failures of valves in critical control systems | Aiman A. Abdel-Malek, John E. Hershey | 1997-04-01 |
| 5604806 | Apparatus and method for secure radio communication | John Erik Hershey, Sandeep Chennakeshu | 1997-02-18 |
| 5588005 | Protocol and mechanism for primary and mutter mode communication for asset tracking | Irfan Ali, John Erik Hershey, Stephen Michael Hladik, Sandeep Channakeshu, Ravinder D. Koilpillai +2 more | 1996-12-24 |
| 5568301 | Optical communication system with secure key transfer | Jerome J. Tiemann, John Erik Hershey | 1996-10-22 |
| 5568507 | Geometric harmonic modulation (GHM) - analog implementation | John Erik Hershey, Gary J. Saulnier | 1996-10-22 |
| 5568509 | Dynamic code division multiple access communication system | John Erik Hershey, Gary J. Saulnier | 1996-10-22 |
| 5563906 | Method of geometric harmonic modulation (GHM) | John Erik Hershey, Gary J. Saulnier | 1996-10-08 |
| 5532860 | Spatial synchronization for optical communication system | John Erik Hershey, Nabeel A. Riza | 1996-07-02 |
| 5519725 | Geometric harmonic modulation (GHM) for combined analog/digital transmissions | John Erik Hershey, Gary J. Saulnier | 1996-05-21 |
| 5519692 | Geometric harmonic modulation (GHM)-digital implementation | John Erik Hershey, Gary J. Saulnier | 1996-05-21 |
| 5481532 | Mobile telecommunications device and service | John Erik Hershey, Howard L. Lester, Charles M. Puckette | 1996-01-02 |
| 5481539 | Datagram communication service over a cellular telephone network | John Erik Hershey | 1996-01-02 |
| 5410147 | Optical communication system using coplanar light modulators | Nabeel A. Riza, John Erik Hershey | 1995-04-25 |
| 5381445 | Munitions cartridge transmitter | John E. Hershey, Menahem Lowy, Lionel M. Levinson, Richard Louis Frey, Kenneth Brakeley Welles, II +2 more | 1995-01-10 |
| 5311552 | Trellis coding technique to improve adjacent channel interference protection ratio in land mobile radio systems | Sandeep Chennakeshu, John B. Anderson | 1994-05-10 |
| 5311553 | Trellis coding technique to increase adjacent channel interference protection ratio in land mobile radio systems under peak power constraints | Sandeep Chennakeshu, Rajaram Ramesh, John B. Anderson | 1994-05-10 |
| 5166953 | Technique for frequency-hopped spread spectrum communications | John Erik Hershey, Charles M. Puckette | 1992-11-24 |