Patents by Inventor Tong-Wen Chen

Tong-Wen Chen 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).

  • Decoration spectacles
    Patent number: 6102540
    Abstract: A pair of decoration spectacles has a front frame, two temples connected to the front frame, and two decoration frames connected to the front frame. The front frame has two spectacles lenses, two insertion rods, and two connection blocks. Each insertion rod has a rectangular through hole. Each connection block has a pivot groove and a notch communicating with the pivot groove. Each temple has a hollow pivot lug engaging with the respective connection block and an insertion post inserted in the respective pivot groove via the respective notch. Each decoration frame has a connection lug and a sunscreen lens. Each connection lug has a pivot hole receiving the respective insertion rod and a slot communicating with the pivot hole.
    Type: Grant
    Filed: November 25, 1999
    Date of Patent: August 15, 2000
    Inventor: Tong-Wen Chen
  • Spectacles frame
    Patent number: D464075
    Type: Grant
    Filed: December 31, 2001
    Date of Patent: October 8, 2002
    Inventor: Tong-Wen Chen
  • Spectacles frame
    Patent number: D464076
    Type: Grant
    Filed: December 31, 2001
    Date of Patent: October 8, 2002
    Inventor: Tong-Wen Chen
  • Spectacles frame
    Patent number: D464077
    Type: Grant
    Filed: December 31, 2001
    Date of Patent: October 8, 2002
    Inventor: Tong-Wen Chen