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US Patent D1020227 Crutch

Overview Structured Data Issues Contributors

Is a

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Patent attributes

Patent Jurisdiction

United States Patent and Trademark Office

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Patent Number

Patent Inventor Names

Dong-Jin Hyun0

Seok-Young Youn0

Kyung-Mo Jung0

Ji-Min Han0

Joo-Young Chun0

Kye-Yoon Kim0

Ju-Young Yoon0

Date of Patent

April 2, 2024

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Patent Application Number

297291670

Date Filed

March 24, 2020

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Patent Citations

US Patent D876810 Cane

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US Patent D888254 Knee extension device

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US Patent D517307 Flat umbrella shaft

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US Patent D547542 Handle for physical assistance devices

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US Patent D552245 Crutch

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US Patent D552340 Cane

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US Patent D600002 Shock absorbing crutch

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US Patent D691364 Crutch

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Patent Citations Received

US Patent D1048699 Crutch

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Patent Primary Examiner

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CPC Code

0

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