Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6088183 | Arcuate scan read/write assembly | — | 2000-07-11 |
| 6031682 | Track trimming and orthogonal recording for cartridge tape | — | 2000-02-29 |
| 5455729 | Multi-channel rotating transformer | Robert Ralph Heinze | 1995-10-03 |
| 5193365 | Penalty device for criminal offenders | — | 1993-03-16 |