Patents by Inventor Adolf Eisenloffel

Adolf Eisenloffel 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).

  • Corner clamp for a picture frame
    Patent number: 4676686
    Abstract: A clamping device for holding framing members of a metal picture frame in fixed rectangular relation, is described as being formed of lightweight steel and having an L-shape formed of two legs, each of which is U-shaped. Means coacting between the device and framing members are provided to secure the device in place where it holds a pair of adjacent framing members in mitered relation.The clamping device is also utilized to clamp a picture frame holder to one of the framing members.
    Type: Grant
    Filed: August 21, 1986
    Date of Patent: June 30, 1987
    Inventor: Adolf Eisenloffel