Patents by Inventor John Popken

John Popken 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).

  • Supination-pronation device
    Patent number: 5372597
    Abstract: A device for treating and preventing injuries and contractures of the elbow joint, particularly supination-pronation contractures and proximal radial head fractures. The device includes bracing sections for fixing the device to the radius and the ulna, and for permitting movement of the attached radius continually along a path which is adapted and adjusted to be aligned with the kinematic axis of the proximal radial-ulnar joint.
    Type: Grant
    Filed: May 12, 1993
    Date of Patent: December 13, 1994
    Assignee: Smith & Nephew Richards, Inc.
    Inventors: Robert N. Hotchkiss, John Popken, Arthur Woodward, Mark S. Gosney