Issued Patents 2004
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6800037 | Striking plate for a golf club head | — | 2004-10-05 |
| 6709344 | Measurement of the coefficient of restitution of a golf club | Matthew J. Erickson, Pin Fan, Steven M. Ehlers | 2004-03-23 |
| 6685576 | Golf club head having a striking face with improved impact efficiency | — | 2004-02-03 |