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US Patent D1020227 Crutch
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Is a
Patent
0
Date Filed
March 24, 2020
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Date of Patent
April 2, 2024
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Patent Application Number
29729167
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Patent Citations
US Patent D876810 Cane
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US Patent D888254 Knee extension device
0
US Patent D517307 Flat umbrella shaft
0
US Patent D547542 Handle for physical assistance devices
0
US Patent D552245 Crutch
0
US Patent D552340 Cane
0
US Patent D600002 Shock absorbing crutch
0
US Patent D691364 Crutch
0
US Patent D698140 Cane and flash light combination
0
US Patent D728215 Crutch tool handle
0
•••
Patent Citations Received
US Patent D1048699 Crutch
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Patent Inventor Names
Dong-Jin Hyun
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Seok-Young Youn
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Kyung-Mo Jung
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Ji-Min Han
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Joo-Young Chun
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Kye-Yoon Kim
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Ju-Young Yoon
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Patent Jurisdiction
United States Patent and Trademark Office
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Patent Number
D1020227
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Patent Primary Examiner
Samantha Wood
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CPC Code
A61H 2003/0266
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A61H 2003/0272
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A61H 2003/001
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A45B 2009/005
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A45B 2009/007
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A61H 3/02
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A61H 3/0244
0
A61H 3/0277
0
A61H 2003/0205
0
A61H 2003/0238
0
•••
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