Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4854813 | Coupling apparatus | Robert L. Degeeter | 1989-08-08 |
HK
Harvey A. Knell
Overall (1989): #108,358 of 140,708Top 80%
1
Patents 1989