Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D318512 | Golf club head | Peter J. Piotrowski, John T. Stites, Eugene L. Sheeley | 1991-07-23 |
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D318512 | Golf club head | Peter J. Piotrowski, John T. Stites, Eugene L. Sheeley | 1991-07-23 |