Patents by Inventor Raymond H. Wittmann

Raymond H. Wittmann 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: 5123314
    Abstract: A tool for manually rotating the crankshaft of a racing engine. The tool consists of a plate mounted on the torsion damper covering the end of the crankshaft and having a hex head on the outside for engagement with a long handled wrench to provide the leverage to rotate the crankshaft.
    Type: Grant
    Filed: June 27, 1991
    Date of Patent: June 23, 1992
    Inventor: Raymond H. Wittmann