Patents by Inventor Chia-Hui Chang

Chia-Hui Chang has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Publication number: 20030076597
    Abstract: A kaleidoscope includes a stationary portion and a movable portion. The stationary portion includes a tubular body inside which a prism is arranged. The tubular body has opposite ends to which an eyepiece and a lens device are respectively attached. The movable portion includes a support rod having a first section rotatably mounted to the stationary portion and a second section to which a transparent container is rotatably attached. The container defines an interior space divided into a number of isolated compartments by partition plates fixed inside the container for receiving and containing small objects of different sizes, shapes and colors and liquids.
    Type: Application
    Filed: October 15, 2002
    Publication date: April 24, 2003
    Inventor: Chia Hui Chang
  • Patent number: D617801
    Type: Grant
    Filed: October 16, 2009
    Date of Patent: June 15, 2010
    Assignee: Amtran Technology Co., Ltd
    Inventors: Chia-Hui Chang, Wei-Ming Shih
  • Patent number: D620934
    Type: Grant
    Filed: October 16, 2009
    Date of Patent: August 3, 2010
    Assignee: Amtran Technology Co., Ltd
    Inventors: Chia-Hui Chang, Wei-Ming Shih
  • Patent number: D620935
    Type: Grant
    Filed: October 16, 2009
    Date of Patent: August 3, 2010
    Assignee: Amtran Technology Co., Ltd
    Inventors: Chia-Hui Chang, Wei-Ming Shih
  • Patent number: D620936
    Type: Grant
    Filed: October 27, 2009
    Date of Patent: August 3, 2010
    Assignee: Amtran Technology Co., Ltd
    Inventor: Chia Hui Chang
  • Patent number: D620937
    Type: Grant
    Filed: November 2, 2009
    Date of Patent: August 3, 2010
    Assignee: Amtran Technology Co., Ltd
    Inventors: Wei-Ming Shih, Chia-Hui Chang
  • Patent number: D620938
    Type: Grant
    Filed: November 2, 2009
    Date of Patent: August 3, 2010
    Assignee: Amtran Technology Co., Ltd
    Inventors: Wei-Ming Shih, Chia-Hui Chang
  • Patent number: D621400
    Type: Grant
    Filed: October 16, 2009
    Date of Patent: August 10, 2010
    Assignee: Amtran Technology Co., Ltd
    Inventors: Chia-Hui Chang, Wei-Ming Shih