Patents by Inventor Qiyun Xiang

Qiyun Xiang 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).

  • Magnetic spectacles
    Patent number: 6478420
    Abstract: The invention relates to a rimless spectacles for use with auxiliary lenses by which magnets are used to attract and hold the auxiliary lenses in place.
    Type: Grant
    Filed: March 7, 2002
    Date of Patent: November 12, 2002
    Assignee: YCC Optical Manufacturer
    Inventor: Qiyun Xiang
  • Magnetic spectacles
    Publication number: 20020080325
    Abstract: The invention relates to a rimless spectacles for use with auxiliary lenses by which magnets are used to attract and hold the auxiliary lenses in place.
    Type: Application
    Filed: March 7, 2002
    Publication date: June 27, 2002
    Applicant: YCC Optical Manufacturer
    Inventor: Qiyun Xiang