Issued Patents 1997
Showing 1–17 of 17 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5689809 | Method for determining geographic relationships between communication units | Marc C. Naddell, Mark L. Shaughnessy | 1997-11-18 |
| 5682419 | Method and apparatus for providing infrastructure call support | Timothy W. Markison, Matthew A. Pendleton, Mathew A. Rybicki | 1997-10-28 |
| 5678197 | Method for reprogramming a communication unit's access to a wireless communication system | Timothy W. Markison, Thomas E. Weston | 1997-10-14 |
| 5678194 | Method for providing geographic dependent instructions to a user of a communications unit | Marc C. Naddell, Mark L. Shaughnessy | 1997-10-14 |
| 5678170 | Method and apparatus for monitoring and limiting distribution of data | Timothy W. Markison, Mathew A. Rybicki | 1997-10-14 |
| 5666661 | Method for automatically bypassing the use of a communication system infrastructure | Marc C. Naddell, Mark L. Shaughnessy | 1997-09-09 |
| 5640761 | Method of making multi-layer circuit | Thomas H. DiStefano, Igor Y. Khandros | 1997-06-24 |
| 5638423 | Method of detecting use of a stolen communication unit | Timothy W. Markison | 1997-06-10 |
| 5619505 | Method for producing and recovering a data stream for a DMT transceiver | Timothy W. Markison, Matthew A. Pendleton, Mathew A. Rybicki | 1997-04-08 |
| 5615261 | Method and apparatus for detecting illicit RF data transmissions | Timothy W. Markison, Mathew A. Rybicki | 1997-03-25 |
| 5613215 | Method of transmitting security codes to communication units | Timothy W. Markison, Susan L. Lukasik | 1997-03-18 |
| 5613213 | Determining and displaying available services for a communication unit | Marc C. Naddell | 1997-03-18 |
| 5608725 | Method and apparatus of a communications system having a DMT infrastructure | Timothy W. Markison, Matthew A. Pendleton, Mathew A. Rybicki | 1997-03-04 |
| 5606577 | Method and apparatus for a DMT transmitter having a data for matter coupled directly to a constellation encoder | Timothy W. Markison, Matthew A. Pendleton, Mathew A. Rybicki | 1997-02-25 |
| 5602916 | Method and apparatus for preventing unauthorized monitoring of wireless data transmissions | Timothy W. Markison, Mathew A. Rybicki | 1997-02-11 |
| 5594947 | Method for providing alternate communication services based on geographic location | Marc C. Naddell, Mark L. Shaughnessy | 1997-01-14 |
| 5594796 | Method and apparatus for detecting unauthorized distribution of data | Timothy W. Markison, Mathew A. Rybicki | 1997-01-14 |