Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6035043 | Cellular telephone manifest system | Ronald P. Sansone | 2000-03-07 |
| 5949879 | Auditable security system for the generation of cryptographically protected digital data | William Berson, Elizabeth Bernobich, Richard W. Heiden, Richard A. Potoczek, Robert W. Sisson | 1999-09-07 |
| 5812945 | Metered payment cellular telephone communication system | Gary G. Hansen, David W. Riley, David K. Lee, Frederick W. Ryan, Jr., Nathan Rosenberg +1 more | 1998-09-22 |
| 5768383 | Authorized cellular voice messaging and/or analog or digital data communication access and verification control system | Ronald P. Sansone | 1998-06-16 |
| 5765106 | Authorized cellular telephone communication access and verification control system | Ronald P. Sansone | 1998-06-09 |
| 5740247 | Authorized cellular telephone communication payment refill system | Ronald P. Sansone | 1998-04-14 |