Kao-yi Chang

6 Patents

• USD10952282025

  Lid

  Yulan Green Technology CO., Ltd.

  0 cites
• USD10848572025

  Lid

  Yulan Green Technology Co., Ltd.

  0 cites
• USD10848582025

  Lid

  Yulan Green Technology CO., Ltd.

  0 cites
• USD10851862025

  Pulp Molding Die

  YULAN GREEN TECHNOLOGY CO., Ltd.

  0 cites
• US121398562024

  Forming Machine for Pulp Product

  Yulan Green Technology Co., Ltd.

  0 cites
• US118211452023

  Pulp Mold

  Yulan Green Technology Co., Ltd.

  0 cites