Issued Patents All Time
Showing 1–16 of 16 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7864342 | Apparatus and method for measuring displacement of a curved surface using dual laser beams | Joseph H. Butler | 2011-01-04 |
| 7808655 | Automated system for determining physical characteristics of a shaft | Joseph H. Butler, Brian E. Townsend, David Nichols | 2010-10-05 |
| 7024953 | Apparatus and method for tuning a golf shaft | — | 2006-04-11 |
| 6997056 | Method and apparatus for measuring and orienting golf club shaft | Joseph H. Butler, Michael J. Twigg, F. Sherrill Vowell, Larry R. Palmer | 2006-02-14 |
| 6993970 | Method and apparatus for measuring and orienting golf club shaft | Joseph H. Butler, Michael J. Twigg, F. Sherrill Vowell, Larry R. Palmer | 2006-02-07 |
| 6990865 | Method and apparatus for measuring and orienting golf club shaft | Joseph H. Butler, Michael J. Twigg, F. Sherrill Vowell, Larry R. Palmer | 2006-01-31 |
| 6915695 | Method and apparatus for measuring and orienting golf club shaft | Joseph H. Butler, Michael J. Twigg, F. Sherrill Vowell, Larry R. Palmer | 2005-07-12 |
| 6609429 | Method and apparatus for locating and aligning golf club shaft spine | Joseph H. Butler, Michael J. Twigg | 2003-08-26 |
| 6572488 | Method and apparatus for locating and aligning golf club shaft spine | Joseph H. Butler, Michael J. Twigg | 2003-06-03 |
| 6550121 | Method and apparatus for locating and aligning golf club shaft spine | Joseph H. Butler, Michael J. Twigg | 2003-04-22 |
| 6543125 | Apparatus for locating and aligning golf club shaft spine | Joseph H. Butler, Michael J. Twigg | 2003-04-08 |
| 6494109 | Apparatus and method for tuning a golf shaft | — | 2002-12-17 |
| 6477899 | Apparatus for locating and aligning golf club shaft spine | Joseph H. Butler, Michael J. Twigg | 2002-11-12 |
| 6336263 | Club and shaft separating device | Lew Gibson | 2002-01-08 |
| 6183375 | Apparatus and method for tuning a golf shaft | — | 2001-02-06 |
| 4388021 | Method of and device for making canalization by advancing under pressure a string of sewer pipes | — | 1983-06-14 |