Issued Patents 2002
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6478690 | Multiple material golf club head with a polymer insert face | Richard C. Helmstetter, Ronald K. Hettinger, J. Neil Hall, Augustin W. Rollison, Kamal Sarkar +2 more | 2002-11-12 |
| 6379263 | Golf club and weighting system | Joel B. Erickson, James F. Dooley, M. Grace Hohn Pimentel, Thomas J. DiMarco | 2002-04-30 |
| 6348012 | Golf club and weighting system | Joel B. Erickson, James F. Dooley, M. Grace Hohn Pimentel, Thomas J. DiMarco | 2002-02-19 |
| 6336869 | Multiple material golf club head with a polymer insert face | Ronald K. Hettinger, Richard C. Helmstetter, J. Neil Hall, Augustin W. Rollinson, Kamal Sarkar +2 more | 2002-01-08 |