Patents by Inventor Edward S. Sandnes

Edward S. Sandnes 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).

  • Safety hook
    Patent number: 4017111
    Abstract: A safety hook having an improved stop for holding a clevis with respect to the hook to prevent accidental opening of the hook.
    Type: Grant
    Filed: April 5, 1976
    Date of Patent: April 12, 1977
    Assignee: Presco International, Inc.
    Inventor: Edward S. Sandnes