Cheng-chun Zhang

7 Patents

• US125464572026

  Projecting Decoration

  Gemmy Industries Corporation

  0 cites
• US125108172025

  Double Image Projection Lamp with Fade-in and Fade-out Visual Effects

  GEMMY INDUSTRIES CORPORATION

  0 cites
• US123523962025

  Project Light Device

  GEMMY INDUSTRIES CORPORATION

  0 cites
• US123389752025

  Side Projector Light

  Gemmy Industries Corporation

  0 cites
• US120922962024

  Firework Lighting Device

  GEMMY INDUSTRIES CORPORATION

  0 cites
• US120070852024

  Light String

  GEMMY INDUSTRIES Corp.

  0 cites
• US116752602023

  Modeling Projection Lamp

  GEMMY INDUSTRIES CORPORATION

  0 cites