Patents by Inventor Leo E. Gatzek

Leo E. Gatzek 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).

  • Rivet making method and rivet
    Patent number: 4107805
    Abstract: Rivet has a high strength body and a metallurgically bonded cladding that provides corrosion resistance. Clad wire is fed to rivet header which is dimensioned so that, when heading die strikes, hydro-dynamic flow of the cladding correctly distributes the cladding.
    Type: Grant
    Filed: May 9, 1977
    Date of Patent: August 22, 1978
    Inventor: Leo E. Gatzek