Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4882595 | Hydraulically tuned channel architecture | William R. Knight, Niels J. Nielsen | 1989-11-21 |
| 4829319 | Plastic orifice plate for an ink jet printhead and method of manufacture | C. S. Chan, Wesley Meyer | 1989-05-09 |