US Patent 11751636 Rotary push-pull rope retractor and shoe
Is a
Date Filed
April 14, 2022
Date of Patent
September 12, 2023
Patent Application Number
17721303
Patent Citations
Patent Inventor Names
Chaoqun Hong
Shanpao Wang
Hongchao Li
Wendong Li
Jianming Cai
Shaofeng Chen
Kunliang Tan
Jinlong Cai
Weidong Xu
Patent Jurisdiction
Patent Number
Patent Primary Examiner
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