Issued Patents 2005
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6926619 | Golf club head with customizable center of gravity | Richard C. Helmstetter, Matthew T. Cackett, Alan Hocknell, Augustin W. Rollinson | 2005-08-09 |
| 6881159 | Multiple material golf club head | Richard C. Helmstetter, Matthew T. Cackett, Alan Hocknell, D. Clayton Evans, Herbert Reyes +3 more | 2005-04-19 |
| 6875129 | Golf club head | Joel B. Erickson, D. Clayton Evans, Matthew T. Cackett, Herbert Reyes, Alan Hocknell | 2005-04-05 |
| 6863626 | Golf club striking plate with variable thickness | D. Clayton Evans | 2005-03-08 |