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 176–186 of 186 patents

Patent #TitleCo-InventorsDate
5222734 Iron golf club heads Richard E. Parente, Richard De La Cruz 1993-06-29
5180166 Hollow, metallic golf club head with dendritic structure Glenn H. Schmidt, John Sheehan 1993-01-19
5165688 Golf club head to shaft connection Glenn H. Schmidt 1992-11-24
5163682 Metal wood golf club with variable faceplate thickness Glenn H. Schmidt 1992-11-17
D322651 Golf club head Richard E. Parente, Richard De La Cruz 1991-12-24
5067711 Iron golf club heads Richard E. Parente, Richard De La Cruz 1991-11-26
5067715 Hollow, metallic golf club head with dendritic structure Glenn H. Schmidt, John Sheehan 1991-11-26
D321920 Golf club head Richard E. Parente, Richard De La Cruz 1991-11-26
5042806 Golf club with neckless metal head 1991-08-27
D318087 Golf driver head 1991-07-09
4995609 Iron golf club heads Richard E. Parente, Richard De La Cruz 1991-02-26