Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4848133 | Valving apparatus | George J. Paulis | 1989-07-18 |
JI
John S. Chapkovich, III
Overall (1989): #96,186 of 140,708Top 70%
1
Patents 1989