Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6637648 | Credit/debit card for regulated transactions | Peter Gilgen, John Thompson, Peter V. Harridge, Robert D. Harter, Jeremy J. Sublett +2 more | 2003-10-28 |
| 4904027 | Digital air brake control system | Elmer T. Skantar | 1990-02-27 |
| 4685052 | Pulse train presence detector | — | 1987-08-04 |