Patents by Inventor Anthony J. Madaffer

Anthony J. Madaffer 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).

  • Camshaft assembly and method
    Patent number: 4597365
    Abstract: A camshaft for an internal combustion engine or the like is formed of an expandable steel tube and individual preferably hardenable cam and journal elements fixed together by a mechanical expansion of the tube by a mandrel or other device. Material selection and processes for low cost manufacture are disclosed.
    Type: Grant
    Filed: February 7, 1985
    Date of Patent: July 1, 1986
    Assignee: General Motors Corporation
    Inventor: Anthony J. Madaffer