Patents by Inventor Ernest F. Baumann

Ernest F. Baumann 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: 4844499
    Abstract: An interconnecting joint for connecting one end of a first planar section to one end of a second planar section, each section end has a generally similar cross-sectional dimension at the interconnected ends. A longitudinally extending keyway in the first planar section has inwardly and downwardly angled sidewalls. A longitudinally extending key in the second planar section also has inwardly and downwardly angled sidewalls. The inwardly and downwardly angled sidewalls of the key matingly engage the angled sidewalls of the keyway when connected. Pins can be inserted into the angled and transverse bores for added stability.
    Type: Grant
    Filed: April 19, 1988
    Date of Patent: July 4, 1989
    Inventor: Ernest F. Baumann