Patents by Inventor Roland Spicka

Roland Spicka 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).

  • Building and constructional machines or vehicles
    Patent number: 4174854
    Abstract: The running gear of a construction vehicle or the like is provided with a resilient suspension adapted to be effective in transport operations and ineffective in working operations.
    Type: Grant
    Filed: March 6, 1978
    Date of Patent: November 20, 1979
    Assignee: Zettelmeyer Maschinenfabrick GmbH & Co. KG Konz
    Inventors: Roland Spicka, Adolf Krob, Detlev Seidel, Paul Viefhaus