Issued Patents 1997
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5670188 | Apparatus for single-sided, cold mechanical knurling | Daniel R. May, Kevin A. Cole, John J. Zeller | 1997-09-23 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5670188 | Apparatus for single-sided, cold mechanical knurling | Daniel R. May, Kevin A. Cole, John J. Zeller | 1997-09-23 |