Ball and methods for making the same

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United States of America Patent

PATENT NO 5711729
SERIAL NO

08693414

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ATTORNEY / AGENT: (SPONSORED)

Importance

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Abstract

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A ball has a core formed from a sponged and vulcanized mixture of rubber and cork. Methods for making a ball and a ball core are also described.

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Patent Owner(s)

  • JOYFUL LONG INTERNATIONAL LTD.

International Classification(s)

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Chan, Raymond Chong Veng Kowloon, HK 1 12

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