Patents by Inventor Richard P. Rollo

Richard P. Rollo 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).

  • Open end ratchet socket wrench
    Patent number: 4604919
    Abstract: An open end ratchet socket wrench has sockets with a slot in the side wall. Teeth on the circumference of the socket engage and cooperate with pawls on the wrench head.
    Type: Grant
    Filed: December 6, 1984
    Date of Patent: August 12, 1986
    Inventor: Richard P. Rollo