Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5639386 | Increased threshold uniformity of thermal ink transducers | Cathie J. Burke, Daniel S. Brennan, Keith Kamekona | 1997-06-17 |
| 5448273 | Thermal ink jet printhead protective layers | Igal E. Klein, Cathie J. Burke, Renato P. Apollonio, Robert V. Lorenze, Jr., Daniel O. Roll | 1995-09-05 |
| 5208606 | Directionality of thermal ink jet transducers by front face metalization | Igal E. Klein, Cathie J. Burke, William G. Hawkins | 1993-05-04 |
| 5096535 | Process for manufacturing segmented channel structures | William G. Hawkins, James F. O'Neill | 1992-03-17 |