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 151–175 of 186 patents

Patent #TitleCo-InventorsDate
5464218 Golf putter head with undercut back cavity and peripheral weighting Glenn H. Schmidt 1995-11-07
5460376 Hollow, large, metallic, golf club head Glenn H. Schmidt 1995-10-24
5460377 Golf putter with face plate insert Glenn H. Schmidt 1995-10-24
5441264 Iron golf club head with straight, horizontal recess Glenn H. Schmidt 1995-08-15
5437456 Iron golf club head with dual intersecting recesses and associated slits Glenn H. Schmidt 1995-08-01
D360445 Iron golf club head Glenn H. Schmidt 1995-07-18
5429355 Golf club head to shaft connection Glenn H. Schmidt 1995-07-04
5411263 Golf putter with bottom rail Glenn H. Schmidt 1995-05-02
5409229 Golf club head with audible vibration attenuation Glenn H. Schmidt 1995-04-25
D357520 Golf club iron head Glenn H. Schmidt 1995-04-18
D356843 Golf club head Glenn H. Schmidt 1995-03-28
D352984 Golf putter head Glenn H. Schmidt, Michael R. Cummings 1994-11-29
5351958 Particle retention in golf club metal wood head 1994-10-04
5344150 Iron golf club head with straight, horizontal recess Glenn H. Schmidt 1994-09-06
5330187 Iron golf club head with dual intersecting recesses Glenn H. Schmidt 1994-07-19
5320347 Iron golf club heads Richard E. Parente, Richard De La Cruz 1994-06-14
5318300 Metal wood golf club with variable faceplate thickness Glenn H. Schmidt 1994-06-07
5314184 Golf putter with bottom rail Glenn H. Schmidt 1994-05-24
5301945 Hollow, metallic golf club head with relieved sole and dendritic structure Glenn H. Schmidt 1994-04-12
5301946 Iron golf club head with dual intersecting recesses and associated slits Glenn H. Schmidt 1994-04-12
D344117 Golf club head Glenn H. Schmidt 1994-02-08
5282625 Iron golf club head with dual intersecting recesses Glenn H. Schmidt 1994-02-01
D343434 Golf club head Glenn H. Schmidt 1994-01-18
5275399 Golf club head to shaft connection Glenn H. Schmidt 1994-01-04
5240252 Hollow, metallic golf club head with relieved sole and dendritic structure Glenn H. Schmidt 1993-08-31