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Jong man Kim
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Paju-si, KR
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last 30 patents
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Patent Grant
Puzzle assembly with adjustable the degree of difficulty
Patent number
8,302,967
Issue date
Nov 6, 2012
Jee soo Kim
A63 - SPORTS GAMES AMUSEMENTS
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last 30 patents
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Patent Application
PUZZLE ASSEMBLY WITH ADJUSTABLE THE DEGREE OF DIFFICULTY
Publication number
20100213669
Publication date
Aug 26, 2010
Jong man Kim
A63 - SPORTS GAMES AMUSEMENTS