Issued Patents All Time
Showing 1–14 of 14 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5886854 | Conductive lubricant for magnetic disk drives | Robert D. Johnson, Thomas E. Karis, Holavanahally Seshachar Nagaraj, My Thanh Nguyen | 1999-03-23 |
| 5869564 | Ink composition | Bradley Beach, Seong Jin Kim, Dennis McKean, Anna Marie Pearson, Jing X. Sun +2 more | 1999-02-09 |
| 5744431 | Conductive lubricant for magnetic disk drives | Robert D. Johnson, Thomas E. Karis, Holayanahally S. Nagaral, My Thanh Nguyen | 1998-04-28 |
| 5641841 | Conductive lubricant for magnetic disk drives | Robert D. Johnson, Thomas E. Karis, Holavanahally S. Nagaral, My Thanh Nguyen | 1997-06-24 |
| 5455137 | Toner composition | Adolfo R. Guitierrez | 1995-10-03 |
| 5421868 | Ink composition | Juan Ayalia-Esquilin, Ying-Ying Cheng, Paul Gendler, Thomas E. Karis | 1995-06-06 |
| 5411778 | Rollers for use in electrophotographic development | Thomas H. Baum | 1995-05-02 |
| 5382491 | Toner composition | Jean Guay, My Thanh Nguyen | 1995-01-17 |
| 5190284 | Shoulder alignment training device for golfers | — | 1993-03-02 |
| 5073469 | Toner compositions | Daphne L. Wollmann | 1991-12-17 |
| 5021799 | High permitivity dielectric microstrip dipole antenna | Joseph P. Kobus, Ronald F. Kielmeyer, Jr. | 1991-06-04 |
| 4990426 | Di- and tricationic negative charge control agents for electrophotographic developers | Adolfo R. Gutierrez, Dennis McKean | 1991-02-05 |
| 4643948 | Coatings for ink jet nozzles | Richard Hernandez | 1987-02-17 |
| 4304465 | Electrochromic display device | — | 1981-12-08 |