Patents by Inventor Alfonso W. Rantanen

Alfonso W. Rantanen 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).

  • Patent number: 4308769
    Abstract: A reversing ratchet wrench employing spring biased linkage connecting a pivotally mounted pawl to a finger operated reciprocally worked finger piece mounted in the end of the wrench body opposite the ratcheting mechanism wherein the change of direction of the wrench action is accomplished by depressing a finger piece or by releasing the finger piece.
    Type: Grant
    Filed: June 2, 1980
    Date of Patent: January 5, 1982
    Assignees: Bertha Rantanen, Karen Hansen, Roger Rantanen, Cindy Christensen
    Inventor: Alfonso W. Rantanen