Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5146067 | Prepayment metering system using encoded purchase cards from multiple locations | Joseph W. Sloan, Harry P. Snyder, Joseph W. Foster, Mark C. Day, Timothy G. Berg +2 more | 1992-09-08 |