Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7753913 | Magnetic targeting device | David Szakelyhidi, Alex V. Cardinali, Joel Stitzel, Alfred A. Durham | 2010-07-13 |
| 6558278 | Method of dynamically determining the relative stiffness of a golf shaft | Julian Bunn | 2003-05-06 |