Issued Patents All Time
Showing 326–350 of 354 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D457930 | Scoreline pattern of a golf club head | Peter L. Soracco, Roger Cleveland, Herbert Reyes, Richard C. Helmstetter | 2002-05-28 |
| D457585 | Scoreline pattern for golf club head | Garth W. Smith, Roger Cleveland, Richard C. Helmstetter | 2002-05-21 |
| D457582 | Iron golf club head | Richard C. Helmstetter, Roger Cleveland, Karl A. Clausen, Robert R. Lang | 2002-05-21 |
| D457209 | Golf club head | Peter L. Soracco, Roger Cleveland, Herbert Reyes, Richard C. Helmstetter | 2002-05-14 |
| D454606 | Iron golf club head | Richard C. Helmstetter, Joel B. Erickson, Roger Cleveland, Luke R. Williams | 2002-03-19 |
| D453949 | Iron golf club head | Richard C. Helmstetter, Joel B. Erickson, Roger Cleveland, Luke R. Williams | 2002-02-26 |
| 6336869 | Multiple material golf club head with a polymer insert face | Ronald K. Hettinger, Richard C. Helmstetter, J. Neil Hall, Kamal Sarkar, Joshua G. Breier +2 more | 2002-01-08 |
| D449085 | Golf club putter head having a face insert | Joshua G. Breier, Ronald K. Hettinger, Larry G. Tang | 2001-10-09 |
| D449088 | Cavity back iron | Roger Cleveland, Karl A. Clausen, Thomas R. Hilton, Larry G. Tang | 2001-10-09 |
| D447782 | Multiple component putter head | Ronald K. Hettinger, Joshua G. Breier | 2001-09-11 |
| 6273832 | Combination golf club with an insert and golf ball | Richard C. Helmstetter, John G. Guard, James F. Dooley, Victor S. Dennis, Pijush Dewanjee | 2001-08-14 |
| D443906 | Multiple component putter head | Ronald K. Hettinger, Joshua G. Breier | 2001-06-19 |
| D443320 | Multiple component putter head | Joshua G. Breier, Ronald K. Hettinger | 2001-06-05 |
| 6238302 | Golf club head with an insert having integral tabs | Richard C. Helmstetter, John G. Guard, James F. Dooley, Victor S. Dennis, Pijush Dewanjee | 2001-05-29 |
| 6095931 | Bi-material golf club head having an isolation layer | Ronald K. Hettinger, J. Neil Hall, Kamal Sarkar | 2000-08-01 |
| D428457 | Golf club putter head having face insert | Joshua G. Breier | 2000-07-18 |
| D414830 | Golf putter with angled hosel and recess-intercepting, curved flutes at rear side | Roger Cleveland, Karl A. Clausen, Wayne H. Byrne | 1999-10-05 |
| D410719 | Back surface for an iron-type golf club head | Roger Cleveland, Thomas R. Hilton, Kevin L. Napolitano | 1999-06-08 |
| D407445 | Golf putter head with recessed and curved and fluted rear side | Roger Cleveland, Annika Sorenstam | 1999-03-30 |
| D406869 | Back surface of an iron-type golf club head | Roger Cleveland, Thomas R. Hilton, Kevin L. Napolitano | 1999-03-16 |
| D406296 | Back surface of an iron-type golf club head | Roger Cleveland, Thomas R. Hilton, Kevin L. Napolitano | 1999-03-02 |
| D402722 | Golf putter head with flutes and angled hosel | — | 1998-12-15 |
| D402344 | Golf putter head with curved flutes and a curved hosel | Roger Cleveland, Karl A. Clausen, Wayne H. Byrne | 1998-12-08 |
| D401651 | Golf putter head and angled hosel | Roger Cleveland, Wayne H. Byrne, Garth W. Smith | 1998-11-24 |
| D396513 | Scoreline pattern for golf club head | D. Clayton Evans | 1998-07-28 |