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Patents
Patents Assigned to Sun-Hyun Kweon
Patents Assigned to Sun-Hyun Kweon
Caster for a chair
Patent number:
D306397
Type:
Grant
Filed:
June 23, 1987
Date of Patent:
March 6, 1990
Assignees:
Sun-Hyun Kweon, Deok-Guy Kim
Inventor:
Sun-Hyun Kweon