Patents by Inventor Tyrus R. Pinchback

Tyrus R. Pinchback 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
    Patent number: 4195678
    Abstract: A free spinning nut is formed with an asymmetric, double size recess in its bearing face and flutes in its side faces so as to enhance its holding capacity, particularly when used against softer material.
    Type: Grant
    Filed: October 6, 1977
    Date of Patent: April 1, 1980
    Assignee: Wilson-Garner Company
    Inventor: Tyrus R. Pinchback
  • Nut with asymmetric groove means
    Patent number: 3989082
    Abstract: A free spinning nut is formed with an asymmetric, double size recess in its bearing face. Also, I have discovered flutes in its side faces so as to enhance its holding capacity, particularly when used against softer material.
    Type: Grant
    Filed: July 22, 1974
    Date of Patent: November 2, 1976
    Assignee: Wilson-Garner Company
    Inventor: Tyrus R. Pinchback