Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5544020 | Keyboard having visible and invisible states | Peter Hurst, George R. Hurst, legal representative | 1996-08-06 |
| 5046378 | Anti-jamming gear arrangement | Ray L. Bannister, Frederick C. Close | 1991-09-10 |
| 5024153 | Print drum for a postage meter | Raymond Bannister, Frederick C. Close | 1991-06-18 |
| 4985613 | Locking arrangement | Eric K. Lytra, Barry Simkins | 1991-01-15 |
| 4910392 | Counter mechanisms | Ray L. Bannister, Frederick C. Close | 1990-03-20 |
| 4841858 | Impression roller assembly including an ejector roller | Ray L. Bannister, Frederick C. Close | 1989-06-27 |