Issued Patents All Time
Showing 51–68 of 68 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4951063 | Heating elements for thermal ink jet devices | Olaf Muller, James F. O'Neill | 1990-08-21 |
| 4947192 | Monolithic silicon integrated circuit chip for a thermal ink jet printer | Cathie J. Burke | 1990-08-07 |
| 4935752 | Thermal ink jet device with improved heating elements | — | 1990-06-19 |
| 4935750 | Sealing means for thermal ink jet printheads | — | 1990-06-19 |
| 4899181 | Large monolithic thermal ink jet printhead | Donald J. Drake | 1990-02-06 |
| 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 |
| 4789425 | Thermal ink jet printhead fabricating process | Donald J. Drake, Stephen F. Pond, Michael R. Campanelli, Pamela J. Hartman, Raymond E. Bailey | 1988-12-06 |
| 4774530 | Ink jet printhead | — | 1988-09-27 |
| RE32572 | Thermal ink jet printhead and process therefor | Donald J. Drake, Michael R. Campanelli | 1988-01-05 |
| 4639748 | Ink jet printhead with integral ink filter | Donald J. Drake, Michael R. Campanelli | 1987-01-27 |
| 4638328 | Printhead for an ink jet printer | Donald J. Drake, Roger G. Markham, Richard V. LaDonna | 1987-01-20 |
| 4601777 | Thermal ink jet printhead and process therefor | Donald J. Drake, Michael R. Campanelli | 1986-07-22 |
| 4532530 | Bubble jet printing device | — | 1985-07-30 |
| 4388145 | Laser annealing for growth of single crystal semiconductor areas | Jerry G. Black | 1983-06-14 |