Patents by Inventor Manfred Belsdorf

Manfred Belsdorf 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: 3986250
    Abstract: An improved method for forming a cup-shaped ball joint socket by using a blank provided with a neck portion of reduced outer diameter from which an outwardly directed collar is formed; and the cup-shaped ball joint socket resulting from practicing the improved method.
    Type: Grant
    Filed: May 30, 1975
    Date of Patent: October 19, 1976
    Assignee: A. Ehrenreich & Cie.
    Inventor: Manfred Belsdorf