Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11087101 | Dual frequency NFC/RFID card for self service baggage check and method | Michael J. Hale, Peter A. Pyhrr | 2021-08-10 |
| RE35599 | Method and apparatus for enhancing a randomly varying security characteristic | — | 1997-09-02 |
| 5647003 | Method and apparatus for altering a magnetic characteristic of a medium | — | 1997-07-08 |
| 5216229 | Verifiable object having incremental key | Robert A. Copella | 1993-06-01 |
| 5177344 | Method and appparatus for enhancing a randomly varying security characteristic | — | 1993-01-05 |
| 4985614 | Object verification apparatus and method | Robert A. Copella, Ann M. Flannery | 1991-01-15 |
| 4837426 | Object verification apparatus and method | Robert A. Copella, Ann M. Flannery | 1989-06-06 |