Patents by Inventor Lien Chang

Lien 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).

  • SPRING HINGE FOR GLASSES
    Publication number: 20070283530
    Abstract: A spring hinge for eyeglasses: the glasses including a central part and side pieces, a hinge element comprising at least one hinge eyelet, a spring device interacting with the hinge element, a housing containing a cavity which at least partially accommodates the spring device and the hinge element. The hinge element is arranged in a displaceable manner within the housing. A guide region for the hinge element, and at least one section of the guide region can be arranged outside the cavity.
    Type: Application
    Filed: June 29, 2007
    Publication date: December 13, 2007
    Applicants: OBE OHNMACHT & BAUMGARTNER GMBH & CO. KG
    Inventor: Lien Chang
  • Spring hinge for glasses
    Publication number: 20050086768
    Abstract: A spring hinge for eyeglasses: the glasses including a central part and side pieces, a hinge element comprising at least one hinge eyelet, a spring device interacting with the hinge element, a housing containing a cavity which at least partially accommodates the spring device and the hinge element. The hinge element is arranged in a displaceable manner within the housing. A guide region for the hinge element, and at least one section of the guide region can be arranged outside the cavity.
    Type: Application
    Filed: February 14, 2003
    Publication date: April 28, 2005
    Inventor: Lien Chang