Issued Patents 1989
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4887098 | Thermal ink jet printer having printhead transducers with multilevelinterconnections | Stephen F. Pond | 1989-12-12 |
| 4875968 | Method of fabricating ink jet printheads | James F. O'Neill, Donald J. Drake | 1989-10-24 |
| 4863560 | Fabrication of silicon structures by single side, multiple step etching process | — | 1989-09-05 |
| 4829324 | Large array thermal ink jet printhead | Donald J. Drake | 1989-05-09 |
| 4822755 | Method of fabricating large area semiconductor arrays | Donald J. Drake, Michael R. Campanelli | 1989-04-18 |