Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5803958 | Black ink jet ink composition | Boris J. Katsen, Richard S. Himmelwright, Nate R. Schwartz | 1998-09-08 |
| 5746817 | Ink jet ink composition | Boris J. Katsen, Richard S. Himmelwright, Nate R. Schwartz | 1998-05-05 |
| 5539038 | Ink jet ink and process for making same | Boris J. Katsen, Richard S. Himmelwright | 1996-07-23 |
| 5399413 | High performance composite and conductive ground plane for electrostatic recording of information | Boris J. Katsen, Dene H. Taylor, Richard S. Himmelwright, Cynthia F. Klausner, Edward William Sporbert +2 more | 1995-03-21 |