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| US6159116 | 29 Feb 2000 | 12 Dec 2000 | | Softball bat with exterior shell |
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| US6398675 | 3 Jul 2000 | 4 Jun 2002 | Wilson Sporting Goods Co. | Bat with elastomeric interface |
| US6425836 | 15 Dec 1999 | 30 Jul 2002 | Mizuno Corporation | Baseball or softball bat |
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| US6729983 | 27 Apr 2000 | 4 May 2004 | Worth, Inc. | Tubular sports implement with internal structural bridge |
| US6808464 | 22 Nov 2000 | 26 Oct 2004 | | Reinforced-layer metal composite bat |
| US6863628 | 20 Mar 2000 | 8 Mar 2005 | | Vibration damping striking implement |
| US7175552 | 20 Jul 2004 | 13 Feb 2007 | Wilson Sporting Goods Co. | Ball bat formed of carburized steel |
| US7229370 | 4 Mar 2005 | 12 Jun 2007 | Rawlings Sporting Goods Company, Inc. | Filament wound bat and winding and molding method therefore |
| US7850554 | 3 Dec 2008 | 14 Dec 2010 | Hillerich & Bradsby Co. | Apparatus for deterring modification of sports equipment |
| US7867114 | 26 Apr 2007 | 11 Jan 2011 | | Multi-walled tubular baseball bats with barrel inserts of variable geometry |
| US8062154 | 5 Nov 2010 | 22 Nov 2011 | Hillerich & Bradsby | Apparatus for deterring modification of sports equipment |
| USD492373 | 16 May 2003 | 29 Jun 2004 | American Academy for Russian Martial Art and Combat Skill, Inc | Circular strength training apparatus |
| USD520576 | 27 Sep 2004 | 9 May 2006 | Aarmacs, Inc | Circular strength training apparatus |
| USD597154 | 12 Nov 2008 | 28 Jul 2009 | | Bat shaped dumbbell |