Issued Patents 2002
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6471600 | Putter head | Larry G. Tang, Roger Cleveland, Richard C. Helmstetter, Augustin W. Rollinson, Wayne H. Byrne | 2002-10-29 |
| D458656 | Putter head | Larry G. Tang, Richard C. Helmstetter | 2002-06-11 |
| D457586 | Putter head | Larry G. Tang, Richard C. Helmstetter | 2002-05-21 |
| D454606 | Iron golf club head | Richard C. Helmstetter, Joel B. Erickson, Augustin W. Rollinson, Roger Cleveland | 2002-03-19 |
| D453949 | Iron golf club head | Richard C. Helmstetter, Joel B. Erickson, Augustin W. Rollinson, Roger Cleveland | 2002-02-26 |