RH

Richard C. Helmstetter

CG Callaway Golf: 10 patents #1 of 4Top 25%
📍 Carlsbad, CA: #1 of 135 inventorsTop 1%
🗺 California: #50 of 17,285 inventorsTop 1%
Overall (1997): #505 of 185,788Top 1%
10
Patents 1997

Issued Patents 1997

Showing 1–10 of 10 patents

Patent #TitleCo-InventorsDate
5697853 Hollow, metallic golf club head with relieved sole and dendritic structure Glenn H. Schmidt 1997-12-16
D385933 Golf putter head with recessed and fluted rear side Augustin W. Rollinson 1997-11-04
D383512 Golf putter head with undercut cavity back Glenn H. Schmidt 1997-09-09
5626530 Golf club head with sole bevel indicia Glenn H. Schmidt 1997-05-06
5611741 Hollow, large, metallic, golf club head Glenn H. Schmidt 1997-03-18
5605511 Golf club head with audible vibration attenuation Glenn H. Schmidt 1997-02-25
5605510 Golf putter with face plate insert Glenn H. Schmidt 1997-02-25
D378113 Golf putter head with fluted rear side and stepped top wall Augustin W. Rollinson 1997-02-18
D377818 Golf putter head with multi-arcuate configuration Steven D. Gray 1997-02-04
D377674 Golf club head Glenn H. Schmidt 1997-01-28