Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6052675 | Method and apparatus for preauthorizing credit card type transactions | — | 2000-04-18 |
| 6023682 | Method and apparatus for credit card purchase authorization utilizing a comparison of a purchase token with test information | — | 2000-02-08 |
| 5912951 | Voice mail system with multi-retrieval mailboxes | Steven T. Kaish, Nancy A. Kowalsky, Margaret H. Redberg, Gregory C. Sheehan | 1999-06-15 |