Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4829642 | Method of making a crankshaft | David A. Coan | 1989-05-16 |
JT
James A. Thomas
Overall (1989): #98,966 of 140,708Top 75%
1
Patents 1989