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Football

  • US 6,306,054 B1
  • Filed: 07/30/1998
  • Issued: 10/23/2001
  • Est. Priority Date: 07/30/1997
  • Status: Expired due to Term
First Claim
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1. A ball comprising:

  • an inflatable bladder;

    a first backing layer enclosing the inflatable bladder;

    a middle layer enclosing the backing layer;

    an outer skin enclosing the middle layer, the outer skin comprising;

    a second backing layer;

    a resilient layer enclosing the second backing layer and including a syntactic material, the syntactic material including polymeric microspheres dispersed in a polymeric matrix; and

    , a substantially opaque layer enclosing the resilient layer.

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