Patents by Inventor Riessland Eberhard

Riessland Eberhard 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).

  • Two-coordinate positioning device
    Patent number: 4286197
    Abstract: A positioning device with two coordinates, for the moving of two components relative to each other. The positioning device with two coordinates serves for the exact positioning of a tool or workpiece, preferably of semi-conductor discs, for the purpose of checking or fabricating in the course of the manufacturing process.
    Type: Grant
    Filed: February 26, 1979
    Date of Patent: August 25, 1981
    Inventors: Riessland Eberhard, Helmut Beyer, Erich Kossman