Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4861501 | Stain resistant composition for synthetic organic polymer fibers and method of use: fluorocarbon polymer | — | 1989-08-29 |
CP
Charles R. Pfeifer
Overall (1989): #125,762 of 140,708Top 90%
1
Patents 1989