Issued Patents 2003
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6607452 | High moment of inertia composite golf club head | Richard C. Helmstetter, Herbert Reyes, James M. Murphy, Matthew T. Cackett | 2003-08-19 |
| 6585605 | Measurement of the coefficient of restitution of a golf club | Matthew J. Erickson, Steven M. Ehlers, John B. Kosmatka | 2003-07-01 |