Patents by Inventor James Alexander Witter

James Alexander Witter 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).

  • Patent number: 7275283
    Abstract: The present invention is a hinge assembly for engaging an appliance door to an appliance, such that rotational forces generated by the door as a function of the door position are balanced against a rotation force exerted about an axis of rotation for the door. The hinge assembly may be engaged to an interface using a locking bar to prevent translation of the adapter plate relative to the interface. The hinge assembly may further have a plunger incorporating an ovoid shaped retention pin bore for retaining an elastic element to the plunger.
    Type: Grant
    Filed: May 3, 2005
    Date of Patent: October 2, 2007
    Assignee: Keystone Friction Hinge Co.
    Inventors: Adam Kistner, James Alexander Witter