Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5494507 | Dye having hydrophobic substituent and aqueous ink | Bradley Beach, James F. Feeman, Ann M. Piekunka | 1996-02-27 |
| 5198022 | Waterfast dye and aqueous ink | Rodney O. Aulick, Bradley Beach, Donald L. Elbert, Terence E. Franey, James F. Feeman +2 more | 1993-03-30 |