Patents by Inventor Michael William Rieke

Michael William Rieke 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).

  • Numbering device for molded or cast parts
    Patent number: 7252136
    Abstract: A numbering device is disclosed for marking molded cast parts, the device including a plurality of concentric cylinders having indicia disposed on an end thereof, the cylinders being rotatingly indexable to cause the indicia to move as desired to form the desired mark, the mark is then impressed into a sand mold and subsequently reproduced on the cast part.
    Type: Grant
    Filed: July 26, 2004
    Date of Patent: August 7, 2007
    Assignee: General Motors Corporation
    Inventor: Michael William Rieke