Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5670188 | Apparatus for single-sided, cold mechanical knurling | Daniel R. May, Kevin A. Cole, Sharon A. Guzman | 1997-09-23 |
| 5393589 | Apparatus and method for variably knurling edges of web and product produced thereby | Robert C. Brown, Zbigniew Hakiel, Allan Thomas Hoy, Arthur M. Stewart | 1995-02-28 |