Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6431445 | Magnetic stripe card verification system | Robert S. DeLand, Jr. | 2002-08-13 |
| 6098881 | Magnetic stripe card verification system | Robert S. DeLand, Jr. | 2000-08-08 |
| 4949192 | Magnetic card transducing system | — | 1990-08-14 |
| 4723071 | Anticounterfeit card-sensing mechanism | — | 1988-02-02 |
| 4367526 | Golf calculator | David J. McCarty | 1983-01-04 |
| 4319131 | Score record processing system | Angus Scott | 1982-03-09 |
| 4268744 | Score processing system for use with ID cards | — | 1981-05-19 |