Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4795697 | Stabilization of ketazine dyes | Kim M. Vogel, David C. Weigel | 1989-01-03 |
RM
Roger A. Mader
Overall (1989): #62,290 of 140,708Top 45%
1
Patents 1989