Patents by Inventor Peter Alexander Ring

Peter Alexander Ring 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).

  • Elbow prosthesis
    Patent number: 4038704
    Abstract: An elbow prosthesis comprising a humeral member and an ulnar member, in which each member comprises a joint portion for forming the joint of the prosthesis and an implant portion for implantation into the bone, the joint portion of the humeral member being capable of being received by the joint portion of the ulnar member in snap-fit engagement, while permitting the humeral member to pivot relative to the ulnar member.
    Type: Grant
    Filed: June 9, 1976
    Date of Patent: August 2, 1977
    Assignee: Downs Surgical Limited
    Inventor: Peter Alexander Ring