Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9180350 | Pace of play monitoring system | Ross T. Galarneault | 2015-11-10 |
| 8265372 | Test procedure for measuring the geometric features of a test specimen | John Spitzer, James Hubbell | 2012-09-11 |
| 8000517 | Test procedure for measuring the geometric features of a golf club face | John Spitzer, James Hubbell | 2011-08-16 |
| 7243526 | Device and method for measuring the impact properties of a sport field surface | — | 2007-07-17 |
| 6837094 | Portable apparatus for measuring the flexibility of a golf club head | Stephen Robert Otto | 2005-01-04 |
| 6505498 | Apparatus for determining a representative spring constant of a golf club head | — | 2003-01-14 |