Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6983637 | Apparatus and method for evaluating and comparing golf club head designs based upon mass properties and impact behavior | Francis Thomas Schodler | 2006-01-10 |
| 6402635 | Apparatus and method for measuring reaction forces and weight shifts | Terry A. Hartzell, Anthony Shea, Michael E. Tracey, Lucien Webb | 2002-06-11 |
| 5877970 | Analytical method and system for the design of iron club heads | Terry A. Hartzell | 1999-03-02 |
| 5772522 | Method of and system for analyzing a golf club swing | Terry A. Hartzell, Keith Oglesby, Jeff Cole, Anthony Francis Radich | 1998-06-30 |