Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5215395 | Printer chassis | Thomas R. Grimm, Erik A. Treszoks, Luther L. Oliver, Jose Rodriguez | 1993-06-01 |
| 5092690 | Portable printer | Thomas R. Grimm, Erik A. Treszoks, Luther L. Oliver, Jose Rodriguez, Donald J. Arndt +2 more | 1992-03-03 |