Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5572579 | System and method for providing portable telephone number service | Richard A. Orriss, Margaret K. Balazs, Laura L. T. Castrovinci, Kathleen D. Cebulka, Yea-Cheiung E. Chen +2 more | 1996-11-05 |