Issued Patents 1997
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5689809 | Method for determining geographic relationships between communication units | Gary W. Grube, Mark L. Shaughnessy | 1997-11-18 |
| 5678194 | Method for providing geographic dependent instructions to a user of a communications unit | Gary W. Grube, Mark L. Shaughnessy | 1997-10-14 |
| 5666661 | Method for automatically bypassing the use of a communication system infrastructure | Gary W. Grube, Mark L. Shaughnessy | 1997-09-09 |
| 5613213 | Determining and displaying available services for a communication unit | Gary W. Grube | 1997-03-18 |
| 5594947 | Method for providing alternate communication services based on geographic location | Gary W. Grube, Mark L. Shaughnessy | 1997-01-14 |