Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4182014 | Method of making a spacer-expander spring for a piston ring assembly | George J. Anderson | 1980-01-08 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4182014 | Method of making a spacer-expander spring for a piston ring assembly | George J. Anderson | 1980-01-08 |