Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4820846 | Triarylmethane compounds, their preparation and use as photoconductive systems | Kenneth Reynolds | 1989-04-11 |
DB
D. E. Brown
Overall (1989): #124,180 of 140,708Top 90%
1
Patents 1989