Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4853037 | Low glycol inks for plain paper printing | Loren E. Johnson, Kenneth A. Norton, Margaret L. Wooding | 1989-08-01 |
| 4836851 | Dyes containing polyhydroxyl groups for ink-jet printing inks | Steven J. Bares, Loren E. Johnson, Suraj L. Hindagolla | 1989-06-06 |