DE

D. Clayton Evans

CG Callaway Golf: 18 patents #4 of 88Top 5%
📍 Vista, CA: #1 of 80 inventorsTop 2%
🗺 California: #48 of 28,521 inventorsTop 1%
Overall (2003): #324 of 273,478Top 1%
18
Patents 2003

Issued Patents 2003

Showing 1–18 of 18 patents

Patent #TitleCo-InventorsDate
6669580 Golf club head that optimizes products of inertia Matthew T. Cackett, Richard C. Helmstetter, Frank Fan, Alan Hocknell 2003-12-30
6669578 Golf club head with metal striking plate insert 2003-12-30
6663504 Multiple material golf club head Alan Hocknell, Uday V. Deshmukh, Richard C. Helmstetter, Matthew T. Cackett, Herebert Reyes +4 more 2003-12-16
6648773 Golf club head with metal striking plate insert 2003-11-18
D481773 Fairway wood type golf club head Homer E. Aguinaldo, Augustin W. Rollinson, Roger Cleveland, Joshua G. Breier, Robert R. Lang 2003-11-04
6623377 Golf club striking plate with variable thickness J. Andrew Galloway 2003-09-23
D479294 Golf club head Luke R. Williams, Roger Cleveland, Augustin W. Rollinson 2003-09-02
6612938 Composite golf club head James M. Murphy, Herbert Reyes, J. Andrew Galloway, Richard C. Helmstetter, Daniel R. Jacobson +3 more 2003-09-02
6607623 Method of manufacturing a composite golf club head James M. Murphy, Herbert Reyes, J. Andrew Galloway, Richard C. Helmstetter, Daniel R. Jacobson +3 more 2003-08-19
6592466 Sound enhance composite golf club head Richard C. Helmstetter, James M. Murphy, Herbert Reyes, J. Andrew Galloway, Daniel R. Jacobson 2003-07-15
6575845 Multiple material golf club head J. Andrew Galloway, Richard C. Helmstetter, Matthew T. Cackett, Alan Hocknell, Herbert Reyes +2 more 2003-06-10
6558272 Golf club striking plate with variable bulge and roll Richard C. Helmstetter, Roger Cleveland, Garth W. Smith 2003-05-06
6547676 Golf club head that optimizes products of inertia Matthew T. Cackett, Frank Fan, Alan Hocknell, Richard C. Helmstetter 2003-04-15
D472592 Golf club head Garth W. Smith, Roger Cleveland, Augustin W. Rollinson 2003-04-01
D472593 Golf club head Garth W. Smith, Roger Cleveland, Augustin W. Rollinson 2003-04-01
6527650 Internal weighting for a composite golf club head Herbert Reyes, James M. Murphy, J. Andrew Galloway, Daniel R. Jacobson 2003-03-04
D471244 Golf club head Luke R. Williams, Roger Cleveland, Augustin W. Rollinson 2003-03-04
D470903 Golf club head Luke R. Williams, Roger Cleveland, Augustin W. Rollinson 2003-02-25