Patents by Inventor Erich Hartmann

Erich Hartmann 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).

  • Method of securing a nut to a support plate
    Patent number: 4095327
    Abstract: Method of securing a nut to a support plate including the steps of forming an aperture in the support plate complementary to the configuration of the nut, inserting the nut in the aperture, and forcing the nut into frictional engagement with the support plate and swaging peripheral portions of the support plate surrounding the aperture into engagement with and over peripheral portions of one end of the nut to lock the nut into the aperture thereby securing the nut to the support plate.
    Type: Grant
    Filed: July 30, 1976
    Date of Patent: June 20, 1978
    Assignee: Stauff Corporation
    Inventor: Erich Hartmann