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John Sheehan

CG Callaway Golf: 2 patents #209 of 359Top 60%
University of Michigan: 2 patents #1,079 of 4,352Top 25%
AG Ald Vacuum Technologies Gmbh: 1 patents #43 of 94Top 50%
US University Of Texas System: 1 patents #51 of 217Top 25%
Overall (All Time): #499,032 of 4,157,543Top 15%
10
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
11365016 Electrodeless plasma thruster Benjamin Longmier, Alec D. Gallimore 2022-06-21
11325727 Converging/diverging magnetic nozzle Benjamin Longmier 2022-05-10
D537137 Golf club head 2007-02-20
7125841 Mutant human factor IX with an increased resistance to inhibition by heparin 2006-10-24
5819837 Process and apparatus for melting and casting of metals in a mold Franz Hugo, Jakob Huber, Robert Y. Abramson 1998-10-13
5651408 Investment casting gating for metal wood golf club heads 1997-07-29
5651409 Investment casting gating for metal wood golf club heads 1997-07-29
5538798 Investment casting gating for metal wood golf club heads 1996-07-23
5180166 Hollow, metallic golf club head with dendritic structure Glenn H. Schmidt, Richard C. Helmstetter 1993-01-19
5067715 Hollow, metallic golf club head with dendritic structure Glenn H. Schmidt, Richard C. Helmstetter 1991-11-26