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Sung Yong Joo
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Kyonggi-Do, KR
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Patents Grants
last 30 patents
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Patent Grant
Golf tee structure
Patent number
6,679,793
Issue date
Jan 20, 2004
Sung Yong Joo
A63 - SPORTS GAMES AMUSEMENTS
Patents Applications
last 30 patents
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Patent Application
Structure: of tee for golf
Publication number
20020123396
Publication date
Sep 5, 2002
Sung Yong Joo
A63 - SPORTS GAMES AMUSEMENTS