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Patents

Referenced by

Citing PatentFiling dateIssue dateOriginal AssigneeTitle
US484647225 Feb 198811 Jul 1989Baseball batting trainer
US496463417 Apr 198923 Oct 1990Incrediball, Inc.Tethered ball batting practice device
US51392735 Mar 199018 Aug 1992Elliot RudellTarget ball and game
US542373010 Apr 199213 Jun 1995Physical fitness training apparatus and method of using
US543343521 Dec 199318 Jul 1995Batter timing practice apparatus
US564969915 Aug 199522 Jul 1997Racquet sports training device
US603332328 Jul 19987 Mar 2000Batting training device
US61428896 Mar 19957 Nov 2000Batting practice apparatus
US636824116 Aug 19969 Apr 2002Wrist toy
US66855825 Apr 20023 Feb 2004Wrist toy
US73645182 Dec 200529 Apr 2008Ketch-It CompanyWrist toy
US769101329 Nov 20066 Apr 2010Steven A EmersonMethod and device for tennis training
US777591123 Feb 200717 Aug 2010Apparatus and method for training players in sports
US783311521 Apr 200816 Nov 2010Ketch-It CorporationWrist toy
USD32893516 Feb 199025 Aug 1992Ball hitting practice device

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