Issued Patents All Time
Showing 1–17 of 17 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7741977 | Method and apparatus for vehicle traffic time calculation | John Edward Buchalo, Richard H. Noens, Scott J. Propp | 2010-06-22 |
| 6138011 | Method and apparatus for providing dispatch service to an existing telephone network | Stephen H. Sanders, III | 2000-10-24 |
| 6104925 | Method and apparatus for establishing group communications between subscribers affiliated with terrestrial and satellite communication systems | Gary W. Grube, Eric F. Ziolko | 2000-08-15 |
| 6026296 | Apparatus for providing dispatch service to an existing telephone network | Stephen H. Sanders, III | 2000-02-15 |
| 5491688 | Method for providing a favorable signal representation | Lawrence E. Feldman | 1996-02-13 |
| 5469472 | Message substitution in a digital communication system | Robert W. House, James G. Edkins | 1995-11-21 |
| 5425030 | On-site system frequency sharing with trunking system | Richard A. Comroe, Arun Sobti, Bradley M. Hiben, James A. McDonald, Robert W. Furtaw | 1995-06-13 |
| 5392283 | Data communication protocol | John M. Gilbert, Larry E. Feldman | 1995-02-21 |
| 5247701 | On-site/trunking system frequency sharing | Richard A. Comroe, Arun Sobti, Robert W. Furtaw, Bradley M. Hiben, James A. McDonald | 1993-09-21 |
| 5212805 | Near-field on-site/trunking system frequency sharing | Richard A. Comroe, Arun Sobti, Robert W. Furtaw, Bradley M. Hiben, James A. McDonald | 1993-05-18 |
| 5193101 | On-site system frequency sharing with trunking systems using spread spectrum | James A. McDonald, Richard A. Comroe, Arun Sobti, Robert W. Furtaw, Bradley M. Hiben | 1993-03-09 |
| 5148482 | Layered session data unit frame | Alan L. Wilson, Walter F. C. Anderson | 1992-09-15 |
| 5014314 | Method for developing and transmitting usage context information in an RF communication system | Keith I. Mulford | 1991-05-07 |
| 4891812 | Method and apparatus for selecting a digital signal from a plurality of digital signals | Kevin M. Cutts, Carl M. Pietrzak, Jr. | 1990-01-02 |
| 4710945 | Signal selection by statistical comparison | Carl M. Pietrzak, Jr., Alan L. Wilson | 1987-12-01 |
| 4710957 | Data detection by statistical analysis | Carl M. Pietrzak, Jr., Alan L. Wilson | 1987-12-01 |
| 4440976 | Automatic selection of decryption key for multiple-key encryption systems | Terence Edward Sumner, James R. Wojnarowski | 1984-04-03 |