Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4872661 | Roll release mechanism | — | 1989-10-10 |
JK
James A. Knepper
Overall (1989): #100,221 of 140,708Top 75%
1
Patents 1989