Patents by Inventor Vernon L. Schwerin

Vernon L. Schwerin 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).

  • Nut starter with special blades
    Patent number: 4553455
    Abstract: A starter for a nut, the starter having blades with outer edges possessing at least one innermost flat, at least one outer flat and a step connecting said flats.
    Type: Grant
    Filed: December 27, 1983
    Date of Patent: November 19, 1985
    Inventors: Melvin S. Wilcox, Vernon L. Schwerin