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 126–150 of 186 patents

Patent #TitleCo-InventorsDate
D393035 Iron-type golf club head Donald A. Bistline, Thomas R. Hilton, Victor S. Dennis, Bruce A. Parker 1998-03-31
5704849 Golf club head with audible vibration attenuation Glenn H. Schmidt 1998-01-06
D388851 Golf putter head with recessed and fluted rear side and stepped top wall Augustin W. Rollinson 1998-01-06
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
5605510 Golf putter with face plate insert Glenn H. Schmidt 1997-02-25
5605511 Golf club head with audible vibration attenuation 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
5588922 Iron golf club head with forwardly divergent interior recess Glenn H. Schmidt 1996-12-31
5588923 Golf club head with attached selected swing weight composite Glenn H. Schmidt 1996-12-31
D373161 Golf putter head with face plate insert Glenn H. Schmidt 1996-08-27
5485997 Golf putter head with face plate insert having heightened medial portion Glenn H. Schmidt 1996-01-23
5480152 Hollow, metallic golf club head with relieved sole and dendritic structure Glenn H. Schmidt 1996-01-02
D365130 Golf putter head with dished bottom surfaces and curved shaft Glenn H. Schmidt 1995-12-12
5474296 Metal wood golf club with variable faceplate thickness Glenn H. Schmidt 1995-12-12
D364906 Golf club head Glenn H. Schmidt 1995-12-05
5472203 Iron golf club head with dual intersecting recesses Glenn H. Schmidt 1995-12-05
5470069 Hollow, metallic golf club head with relieved sole and dendritic structure Glenn H. Schmidt 1995-11-28
5470068 Golf putter with dished bottom surfaces Glenn H. Schmidt 1995-11-28
D364206 Iron golf club head Glenn H. Schmidt 1995-11-14