Issued Patents 1994
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5308992 | Currency paper and banknote verification device | Timothy T. Crane, Robert J. Danek, Richard A. Menelly | 1994-05-03 |
| 5279403 | Microwave security thread detector | Timothy T. Crane | 1994-01-18 |