Issued Patents 1997
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5632695 | Golf clubhead | Edward A. Hlinka, Dwight J. Niswander, Carl E. Scheie, James L. Shenoha | 1997-05-27 |
| D378770 | Clubhead | Edward A. Hlinka, Dwight J. Niswander, Carl E. Scheie, James L. Shenoha | 1997-04-08 |