Patents by Inventor Dennis M. Mitterer

Dennis M. Mitterer 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: 4791925
    Abstract: A ring removal tool has a pair of handles joined by a pivot and biased to a first position by a spring assembly. A pair of head portions on like ends of the handles together from a head with a cylindrical inner surface and a conical outer surface. The tool can be placed about the finger near the ring and the head slipped between the finger and ring. With the ring cut, the tool can exert sufficient force to spread the ring to such size as to enable it to be readily removed from the finger without inflicting harm to the finger.
    Type: Grant
    Filed: October 13, 1987
    Date of Patent: December 20, 1988
    Inventor: Dennis M. Mitterer