Issued Patents All Time
Showing 26–38 of 38 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5436648 | Switched digital drive system for an ink jet printhead | James L. Stortz | 1995-07-25 |
| 5433809 | Method of manufacturing a high density ink jet printhead | John R. Pies, Donald J. Hayes | 1995-07-18 |
| 5415679 | Methods and apparatus for forming microdroplets of liquids at elevated temperatures | — | 1995-05-16 |
| 5406319 | Enhanced U type ink jet printheads | Donald J. Hayes, John R. Pies | 1995-04-11 |
| 5402162 | Integrated multi-color ink jet printhead | Daniel R. Fusting, John R. Pies, Donald J. Hayes | 1995-03-28 |
| 5400064 | High density ink jet printhead with double-U channel actuator | John R. Pies, Donald J. Hayes | 1995-03-21 |
| 5373314 | Ink jet print head | Mickey H. Everett, Donald J. Hayes | 1994-12-13 |
| 5235352 | High density ink jet printhead | John R. Pies, Donald J. Hayes | 1993-08-10 |
| 5229016 | Method and apparatus for dispensing spherical-shaped quantities of liquid solder | Donald J. Hayes, Michael T. Boldman | 1993-07-20 |
| 5227813 | Sidewall actuator for a high density ink jet printhead | John R. Pies, Donald J. Hayes | 1993-07-13 |
| 4877745 | Apparatus and process for reagent fluid dispensing and printing | Donald J. Hayes, Donald Verlee, Kenneth R. Houseman | 1989-10-31 |
| 4812856 | Method and apparatus for dispensing a fluid with dispersed particles therein | — | 1989-03-14 |
| 4490729 | Ink jet printer | Frederic L. Clark | 1984-12-25 |