Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5646665 | Side biased datum scheme for inkjet cartridge and carriage | David W. Swanson, W. Wistar Rhoads, Jaren D. Marler | 1997-07-08 |
| 5617128 | Alignment of multiple nozzle members in a printer | David W. Swanson, Mindy A. Hamlin, Robert R. Beeson, Corrina Hall, James G. Salter +1 more | 1997-04-01 |
| 5519422 | Method and device for preventing unintended use of print cartridges | Brian D. Gragg | 1996-05-21 |
| 5408746 | Datum formation for improved alignment of multiple nozzle members in a printer | David W. Swanson, Mindy A. Hamlin, Robert R. Beeson | 1995-04-25 |