Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4618257 | Color-sensitive currency verifier | James E. Heidelberger | 1986-10-21 |
| 4391387 | Magnetic ticket dispenser | Phillip E. Shireman | 1983-07-05 |
| 4326643 | Magnetic ticket dispenser | Phillip E. Shireman | 1982-04-27 |