Patents by Inventor Georg Weihe

Georg Weihe 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).

  • Ring binder
    Patent number: 4437781
    Abstract: A ring binder comprising a pair of covers connected by a flexible back portion consisting of a flexible back strip which separates the inner edges of the cover and strip portions which overlap portions of the covers near the inner edges. The overlapping portions of the covers are provided with pairs of holes for receiving flexible binder prong means having a free end which extends through an eye at another end to form a loop.
    Type: Grant
    Filed: May 6, 1982
    Date of Patent: March 20, 1984
    Assignee: Siplast Siegerlander GmbH
    Inventors: Rolf Weihe, Georg Weihe