Sug Whan Kim

6 Patents

• US122509972025

  String Adjustment Device

  0 cites
• US119980872024

  String Adjustment Device

  0 cites
• US119920942024

  String Winding and Unwinding Apparatus

  TYRENN CO., Ltd.

  0 cites
• US117711792023

  String Adjustment Device

  0 cites
• US116537182023

  String Winding and Unwinding Apparatus

  0 cites
• US116022002023

  Apparatus for Tightening String

  0 cites