Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4799513 | Multi-port valve | Michael R. Strong, James C. Sell, Jr. | 1989-01-24 |
DC
David J. Cimbalik
Overall (1989): #123,658 of 140,708Top 90%
1
Patents 1989