Issued Patents All Time
Showing 101–124 of 124 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6402634 | Instrumented golf club system and method of use | Nathan J. Lee, William Kelly Borsum | 2002-06-11 |
| 6398666 | Golf club striking plate with variable thickness | D. Clayton Evans | 2002-06-04 |
| 6390933 | High cofficient of restitution golf club head | Richard C. Helmstetter, Alan Hocknell, Ronald C. Boyce, Homer E. Aguinaldo | 2002-05-21 |
| 6386990 | Composite golf club head with integral weight strip | Herbert Reyes, James M. Murphy, D. Clayton Evans, Daniel R. Jacobson | 2002-05-14 |
| 6381828 | Chemical etching of a striking plate for a golf club head | Ronald C. Boyce, Richard C. Helmstetter, Alan Hocknell | 2002-05-07 |
| 6371868 | Internal off-set hosel for a golf club head | Richard C. Helmstetter, Alan Hocknell, Homer E. Aguinaldo | 2002-04-16 |
| 6368234 | Golf club striking plate having elliptical regions of thickness | — | 2002-04-09 |
| 6364788 | Weighting system for a golf club head | Richard C. Helmstetter, Roger Cleveland, D. Clayton Evans | 2002-04-02 |
| 6354962 | Golf club head with a face composed of a forged material | Richard C. Helmstetter, Alan Hocknell, Ronald C. Boyce, Homer E. Aguinaldo, Curtis S. Woolley | 2002-03-12 |
| 6352482 | Golf club with hosel liner | Daniel R. Jacobson, Herbert Reyes, Ronald K. Hettinger, Paul D. Zanolli, Andrew J. Goodjohn +2 more | 2002-03-05 |
| 6332847 | Integral sole plate and hosel for a golf club head | James M. Murphy, Herbert Reyes, D. Clayton Evans, Daniel R. Jacobson | 2001-12-25 |
| D448439 | Face component of a golf club head | Alan Hocknell | 2001-09-25 |
| D445863 | Golf club head | D. Clayton Evans, Homer E. Aguinaldo, Garth W. Smith, Herbert Reyes, Wayne H. Byrne | 2001-07-31 |
| 6248025 | Composite golf club head and method of manufacturing | James M. Murphy, Herbert Reyes, D. Clayton Evans, Richard C. Helmstetter, Daniel R. Jacobson | 2001-06-19 |
| 6244976 | Integral sole plate and hosel for a golf club head | James M. Murphy, Herbert Reyes, D. Clayton Evans, Daniel R. Jacobson | 2001-06-12 |
| 6224493 | Instrumented golf club system and method of use | Nathan J. Lee, William Kelly Borsum | 2001-05-01 |
| D437904 | Scoreline pattern for a golf club head | Richard C. Helmstetter, Alan Hocknell | 2001-02-20 |
| D437905 | Scoreline pattern for golf club head | — | 2001-02-20 |
| 6183233 | Apparatus for manufacturing golf club shafts | Thomas W. Preece, Herb Reyes | 2001-02-06 |
| D437375 | Face component of a golf club head | Alan Hocknell | 2001-02-06 |
| D434822 | Stress enervating sleeve for golf club | Daniel R. Jacobson, Herb Reyes, Peter L. Soracco, Andrew J. Goodjohn, Paul D. Zanolli +1 more | 2000-12-05 |
| D434095 | Golf club head | Richard C. Helmstetter, Alan Hocknell | 2000-11-21 |
| D428950 | Golf club head | D. Clayton Evans, Homer E. Aguinaldo, Garth W. Smith, Herbert Reyes, Wayne H. Byrne | 2000-08-01 |
| 5820483 | Reduced weight golf club shafts | Thomas W. Preece, Herb Reyes | 1998-10-13 |