Chun-yen Chung

4 Patents

• US121211162024

  Flat Bottom Resin Zipper

  KCC ZIPPER CO., Ltd.

  0 cites
• US118776292024

  Bottom Stop Device of Double-open End Zipper and Assembly Structure Thereof

  KCC ZIPPER CO., Ltd.

  0 cites
• US118058642023

  Lower Stop Device of an Anti-pinch Zipper and Its Assembly Structure

  KCC ZIPPER CO., Ltd.

  0 cites
• US116537252023

  Anti-pinch Zipper

  KCC ZIPPER CO., Ltd.

  0 cites