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Custom grip
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Patent number 10,987,558
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Issue date Apr 27, 2021
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Charles Isgar
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A63 - SPORTS GAMES AMUSEMENTS
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Custom grip
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Patent number 10,974,112
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Issue date Apr 13, 2021
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Charles Isgar
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A63 - SPORTS GAMES AMUSEMENTS
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Adjustable grip
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Patent number 10,946,258
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Issue date Mar 16, 2021
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Charles Isgar
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A63 - SPORTS GAMES AMUSEMENTS
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Adjustable grip
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Patent number 10,946,259
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Issue date Mar 16, 2021
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Charles Isgar
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A63 - SPORTS GAMES AMUSEMENTS
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Adjustable grip
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Patent number 10,589,156
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Issue date Mar 17, 2020
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Charles Isgar
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A63 - SPORTS GAMES AMUSEMENTS
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Adjustable putter grip
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Patent number 10,300,359
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Issue date May 28, 2019
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Charles Isgar
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A63 - SPORTS GAMES AMUSEMENTS
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Exercise grip device
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Patent number 8,128,542
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Issue date Mar 6, 2012
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Grip4orce LLC
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James Hartman
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A63 - SPORTS GAMES AMUSEMENTS
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Games rackets
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Patent number 6,030,302
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Issue date Feb 29, 2000
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Dunlop Slazenger Group Limited
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Robert Marek Chojnacki
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A63 - SPORTS GAMES AMUSEMENTS
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Tennis ball holder
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Patent number 4,979,742
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Issue date Dec 25, 1990
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Jack E. DiFranco
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A63 - SPORTS GAMES AMUSEMENTS
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Tennis racket
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Patent number 4,033,583
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Issue date Jul 5, 1977
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Wendell A. Ehrhart
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A63 - SPORTS GAMES AMUSEMENTS
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Games racket
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Patent number 4,029,317
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Issue date Jun 14, 1977
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Sven Erik Malmstrom
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A63 - SPORTS GAMES AMUSEMENTS
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Game racket
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Patent number 3,968,965
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Issue date Jul 13, 1976
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Richard E. Frenkel
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A63 - SPORTS GAMES AMUSEMENTS
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3833218
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Patent number 3,833,218
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Issue date Sep 3, 1974
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A63 - SPORTS GAMES AMUSEMENTS