Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5364461 | Inks used in multi-color printing | Bradley Beach, Terence E. Franey, Ann M. Piekunka, Paul Timothy Spivey, Agnes Kam Zimmer | 1994-11-15 |
| 5254160 | Magenta dye, jet ink, and color set | Bradley Beach, James F. Feeman, Ann M. Piekunka, Agnes Kam Zimmer | 1993-10-19 |