DE

D. Clayton Evans

CG Callaway Golf: 11 patents #8 of 72Top 15%
📍 Vista, CA: #1 of 65 inventorsTop 2%
🗺 California: #169 of 26,763 inventorsTop 1%
Overall (2002): #1,407 of 266,432Top 1%
11
Patents 2002

Issued Patents 2002

Showing 1–11 of 11 patents

Patent #TitleCo-InventorsDate
6475102 Golf club head Richard C. Helmstetter, Roger Cleveland, J. Andrew Galloway 2002-11-05
6440008 Composite golf club head James M. Murphy, Herbert Reyes, J. Andrew Galloway, Richard C. Helmstetter, Daniel R. Jacobson 2002-08-27
6434811 Weighting system for a golf club head Richard C. Helmstetter, Roger Cleveland, J. Andrew Galloway 2002-08-20
6428426 Golf club striking plate with variable bulge and roll Richard C. Helmstetter, Roger Cleveland, Garth W. Smith 2002-08-06
6425832 Golf club head that optimizes products of inertia Matthew T. Cackett, Frank Fan, Alan Hocknell, Richard C. Helmstetter 2002-07-30
6409612 Weighting member for a golf club head Donald A. Bistline, Victor S. Dennis 2002-06-25
6406381 Composite golf club head and method of manufacturing James M. Murphy, Herbert Reyes, J. Andrew Galloway, Richard C. Helmstetter, Daniel R. Jacobson 2002-06-18
6406378 Sound enhanced composite golf club head James M. Murphy, Herbert Reyes, J. Andrew Galloway, Richard C. Helmstetter, Daniel R. Jacobson 2002-06-18
6398666 Golf club striking plate with variable thickness J. Andrew Galloway 2002-06-04
6386990 Composite golf club head with integral weight strip Herbert Reyes, James M. Murphy, J. Andrew Galloway, Daniel R. Jacobson 2002-05-14
6364788 Weighting system for a golf club head Richard C. Helmstetter, Roger Cleveland, J. Andrew Galloway 2002-04-02