Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5173594 | System for printing personalized charge-card service receipts at remote locations | — | 1992-12-22 |
| 5155860 | Cellular portable telephone battery pack and programmer interface | — | 1992-10-13 |
| 4977609 | Interface circuit for telecommunications devices | — | 1990-12-11 |
| 4951308 | Automated vending of cellular hand-held telephones and cellular telephone services | Ronald D. Bishop, John A. Storch | 1990-08-21 |