Patents per Year
Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date | Approx Value ⓘ |
|---|---|---|---|---|
| 5405205 | Sheet medium transport system, particularly for printers and plotters | Marlan L. Schmidt, James A. Parnell | 1995-04-11 | $340,000 |
| 5333005 | Apparatus for raising and lowering plotter marking devices | James A. Parnell | 1994-07-26 | $235,000 |
| 5267802 | Ribbon cassette storage and transfer apparatus for a printer | James A. Parnell, Charles D. Zinsmeyer | 1993-12-07 | $144,000 |
| 5214448 | Belt-drive tensioning system which uses a pivoting member | — | 1993-05-25 | $111,000 |
| 4888710 | Pen tip position detector | James A. Parnell, Mark G. Hill, Dan R. Poole | 1989-12-19 | $3,282,000 |