Issued Patents 2002
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6379263 | Golf club and weighting system | Joel B. Erickson, John G. Guard, James F. Dooley, Thomas J. DiMarco | 2002-04-30 |
| 6348012 | Golf club and weighting system | Joel B. Erickson, John G. Guard, James F. Dooley, Thomas J. DiMarco | 2002-02-19 |