Issued Patents 2003
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6623374 | Golf club head and set of golf clubs | Richard C. Helmstetter, Augustin W. Rollinson, Roger Cleveland, Karl A. Clausen, Larry G. Tang | 2003-09-23 |
| D476710 | Scoreline pattern for a golf club head | Augustin W. Rollinson, Richard C. Helmstetter, Roger Cleveland, Karl A. Clausen | 2003-07-01 |
| D475105 | Scoreline pattern for a golf club head | Richard C. Helmstetter, Augustin W. Rollinson, Roger Cleveland, Karl A. Clausen | 2003-05-27 |
| D470552 | Golf club head | Roger Cleveland, Augustin W. Rollinson, Richard C. Helmsteter, Karl A. Clausen | 2003-02-18 |
| D470553 | Golf club head | Richard C. Helmstetter, Augustin W. Rollinson, Roger Cleveland, Karl A. Clausen | 2003-02-18 |
| D470203 | Golf club head | Augustin W. Rollinson, Richard C. Helmstetter, Roger Clevlenad, Karl A. Clausen | 2003-02-11 |