Patents by Inventor Ching Ting Wang

Ching Ting Wang 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: 20020178978
    Abstract: This invention relates to a positioning structure of a workbench, which includes a platform and four folded legs. A positioning slice is pivotally connected at the end-side of the platform, which can be elastic engaged with a rod on the folded leg to maintain the stable used state of the workbench. And the positioning slice also can be engaged with a rod on the platform for keeping the leg folded beneath the platform in secure for storage and carriage.
    Type: Application
    Filed: May 30, 2001
    Publication date: December 5, 2002
    Inventor: Ching Ting Wang
  • Patent number: D461330
    Type: Grant
    Filed: April 23, 2001
    Date of Patent: August 13, 2002
    Inventor: Ching Ting Wang
  • Patent number: D412056
    Type: Grant
    Filed: August 14, 1998
    Date of Patent: July 20, 1999
    Inventor: Ching Ting Wang
  • Patent number: D414924
    Type: Grant
    Filed: August 14, 1998
    Date of Patent: October 12, 1999
    Inventor: Ching Ting Wang