Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6155731 | Printing apparatus with cover actuated drive source | Jeffery C. Cooper, Bernard V. Masson, James Carter, Jimmy R. Rowe, Russel Hugh Marvin | 2000-12-05 |
| 5682039 | Media position sensing system having a plurality of apertures in the media edge margin | James Lawrence | 1997-10-28 |
| 5404425 | Pen operability checking system for vector plotters | Patrick Nguyen, Charles Morris | 1995-04-04 |
| 5245363 | Pen cleaning system for a pen plotter | Patrick Nguyen, Brian C. Preston | 1993-09-14 |
| 5177497 | Completed plot rolling mechanism for a plotter | Jose L. Calderon, Patrick Nguyen | 1993-01-05 |