RH

Richard C. Helmstetter

CG Callaway Golf: 183 patents #3 of 359Top 1%
📍 Carlsbad, CA: #10 of 2,500 inventorsTop 1%
🗺 California: #645 of 386,348 inventorsTop 1%
Overall (All Time): #3,976 of 4,157,543Top 1%
186
Patents All Time

Issued Patents All Time

Showing 51–75 of 186 patents

Patent #TitleCo-InventorsDate
6582321 Golf club head J. Andrew Galloway, Alan Hocknell, Ronald C. Boyce, Homer E. Aguinaldo, Curtis S. Woolley 2003-06-24
6575845 Multiple material golf club head J. Andrew Galloway, Matthew T. Cackett, Alan Hocknell, D. Clayton Evans, Herbert Reyes +2 more 2003-06-10
D475105 Scoreline pattern for a golf club head Augustin W. Rollinson, Roger Cleveland, Karl A. Clausen, Deedee Lasker 2003-05-27
6565452 Multiple material golf club head with face insert Matthew T. Cackett, Herbert Reyes, James M. Murphy, Peter L. Soracco, J. Andrew Galloway 2003-05-20
6558272 Golf club striking plate with variable bulge and roll Roger Cleveland, D. Clayton Evans, Garth W. Smith 2003-05-06
6554722 Golf club head Joel B. Erickson, Roger Cleveland, Augustin W. Rollinson, Luke R. Williams, M. Grace Hohn Pimentel +3 more 2003-04-29
6547676 Golf club head that optimizes products of inertia Matthew T. Cackett, D. Clayton Evans, Frank Fan, Alan Hocknell 2003-04-15
D472595 Putter head Larry G. Tang, Augustin W. Rollinson, Roger Cleveland 2003-04-01
D472594 Putter head Larry G. Tang, Augustin W. Rollinson, Roger Cleveland 2003-04-01
D470553 Golf club head Augustin W. Rollinson, Roger Cleveland, Karl A. Clausen, Deedee Lasker 2003-02-18
D470203 Golf club head Augustin W. Rollinson, Roger Clevlenad, Karl A. Clausen, Deedee Lasker 2003-02-11
6506127 Set of woods with face thickness variation based on loft angle J. Andrew Galloway, Ronald C. Boyce, Homer E. Aguinaldo, Alan Hocknell 2003-01-14
6506125 Putter head Larry G. Tang, Augustin W. Rollinson, Roger Cleveland, Wayne H. Byrne, Luke R. Williams 2003-01-14
6491592 Multiple material golf club head Matthew T. Cackett, J. Andrew Galloway, Herbert Reyes, Alan Hocknell, James M. Murphy +2 more 2002-12-10
6478690 Multiple material golf club head with a polymer insert face Ronald K. Hettinger, J. Neil Hall, Augustin W. Rollison, Kamal Sarkar, Joshua G. Breier +2 more 2002-11-12
6475102 Golf club head Roger Cleveland, D. Clayton Evans, J. Andrew Galloway 2002-11-05
6475100 Golf club head with adjustable face angle Andrew J. Goodjohn, Donald A. Bistline, James C. Wenck 2002-11-05
6471600 Putter head Larry G. Tang, Roger Cleveland, Augustin W. Rollinson, Wayne H. Byrne, Luke R. Williams 2002-10-29
6471604 Multiple material golf head Alan Hocknell, Uday V. Deshmukh, Matthew T. Cackett, Herebert Reyes, James M. Murphy +3 more 2002-10-29
6443856 Contoured scorelines for the face of a golf club J. Andrew Galloway, Alan Hocknell 2002-09-03
6440008 Composite golf club head James M. Murphy, Herbert Reyes, D. Clayton Evans, J. Andrew Galloway, Daniel R. Jacobson 2002-08-27
6440011 Method for processing a striking plate for a golf club head Alan Hocknell, J. Andrew Galloway, Ronald C. Boyce 2002-08-27
6434811 Weighting system for a golf club head Roger Cleveland, D. Clayton Evans, J. Andrew Galloway 2002-08-20
6435977 Set of woods with face thickness variation based on loft angle J. Andrew Galloway, Alan Hocknell, Ronald C. Boyce, Homer E. Aguinaldo 2002-08-20
6435982 Golf club head with a face composed of a forged material J. Andrew Galloway, Alan Hocknell, Ronald C. Boyce, Homer E. Aguinaldo, Curtis S. Woolley 2002-08-20