Tennis ball fabric
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United States of America Patent
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-
Nov 3, 1998
Grant Date -
N/A
app pub date -
Dec 11, 1997
filing date -
Dec 11, 1997
priority date (Note) -
Expired
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Abstract
A tennis ball having an outer felt fabric comprising at least two layers of non-woven fabric with the outer layer having a weight ratio of wool therein greater than 45% and the inner or bottom layer having a weight ratio of wool therein less than 40%.
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