Patents Represented by Attorney Richard H. Brink
  • Patent number: 4194907
    Abstract: A gold alloy for use in a dental restoration which does not cause discoloration and greening of dental porcelain after being cast and having a porcelain jacket fired thereon. The gold alloy also produces extremely clean castings. The alloy is 30-50% gold, 30-50% palladium, 5-30% silver, 0.01-5% of at least one element from silicon, boron, germanium and mixtures thereof and 0.01-1.0% of ruthenium. Other elements are included for strength.
    Type: Grant
    Filed: October 20, 1978
    Date of Patent: March 25, 1980
    Assignee: Unitek Corporation
    Inventor: Min H. Tsai
  • Patent number: 4099524
    Abstract: A sacro-lumbar support belt includes an outer face completely covered by a looped fabric and two elastic tightening panels, each panel rigidly coupled at one end to the outer face and having at its other end a hook means for releasably securing that end to the outer surface at any desired location. Pelvic traction straps with hook means at one end are releasably engageable on the belt outer face at any desired location.
    Type: Grant
    Filed: October 11, 1977
    Date of Patent: July 11, 1978
    Assignee: Zimmer, U.S.A. Inc.
    Inventors: Glenn F. Cueman, Robert J. Becker
  • Patent number: 4069518
    Abstract: A prosthetic joint for the replacement of the ankle joint comprising a tibial member and a talar member each having three distinct complementary bearing surfaces which allow plantar and dorsal flexion and some rotation approximating the movement of the natural ankle joint. The talar member has three adjacent bearing surfaces which are each longitudinally and laterally convexly shaped and the tibial member is provided with three substantially complementary longitudinally and laterally concavely shaped bearing surfaces that provide medial-lateral support while allowing about rotation between the members.
    Type: Grant
    Filed: August 31, 1976
    Date of Patent: January 24, 1978
    Inventors: Harry E. Groth, Jr., Philip J. Fagan
  • Patent number: 4041940
    Abstract: A knee immobilizer having a rigid U-shaped shell to fit around the back of the leg extending from well above to well below the knee, the axes of the upper and lower portions being at an angle of A soft cushion larger and much thicker than the shell lies between the shell and the leg. A rigid front thigh plate and a rigid front shin plate each have soft cushions and are attached to the shell by straps which pass through slots in the shell and plates and are provided with hook and loop fasteners.
    Type: Grant
    Filed: November 5, 1975
    Date of Patent: August 16, 1977
    Inventors: S. Arthur Frankel, Glenn F. Cueman
  • Patent number: 4015945
    Abstract: A device for mixing methyl methacrylate monomer and methyl methacrylate polymer to form bone cement in a hospital operating room includes a bowl-shaped container, a replaceable resilient plastic bowl-shaped liner which fits in the bowl-shaped container, a fluid passageway formed between the liner and container and a deflector cap which covers the space between the upper end of the liner and the upper end of the container. Exhaust openings in the side wall of the liner place the interior of the liner in fluid flow communication with the fluid passageway. The methyl methacrylate monomer and polymer are mixed in the bowl-shaped liner.
    Type: Grant
    Filed: March 15, 1976
    Date of Patent: April 5, 1977
    Assignee: Zimmer, U.S.A. Inc.
    Inventors: S. Arthur Frankel, George E. McGuire, Robert O. Wuthrich
  • Patent number: 4001896
    Abstract: The embodiment of the invention disclosed herein is directed to a joint prosthesis for total knee replacement. The joint prosthesis includes a first prosthetic member including a stem member adapted for insertion into a first skeleton element. A second prosthetic member includes a stem for insertion into a second skeleton element which is disposed adjacent to first skeleton element. The joint prosthesis is provided with a removable plateau member which forms a slide or rubbing surface for the prosthetic members. The removable plateau can be replaced when worn. Retaining screws are provided on opposite sides of the first prosthetic member to retain the ball within the socket therein.
    Type: Grant
    Filed: January 26, 1976
    Date of Patent: January 11, 1977
    Assignee: Zimmer, U.S.A. Inc.
    Inventor: Robert Arkangel
  • Patent number: 3941773
    Abstract: 1. A new crystalline form of D-6-(2-amino-2-phenyl-acetamido)penicillanic acid characterized by being substantially free of water in the chemically bound state, having a molecular weight of about 349, having an infrared spectrograph as disclosed in FIG. 1 of the drawings, and possessing substantially greater storage stability than hydrated crystalline D-6-(2-amino-2-phenyl-acetamido)penicillanic acid.
    Type: Grant
    Filed: November 2, 1964
    Date of Patent: March 2, 1976
    Assignee: Bristol-Myers Company
    Inventors: Herbert H. Silvestri, David A. Johnson
  • Patent number: D243123
    Type: Grant
    Filed: December 15, 1975
    Date of Patent: January 18, 1977
    Assignee: Zimmer, U.S.A. Inc.
    Inventors: George Shen, Stanley Patterson, Carl E. Ellis
  • Patent number: D245920
    Type: Grant
    Filed: October 1, 1976
    Date of Patent: September 27, 1977
    Assignee: Zimmer, U.S.A. Inc.
    Inventor: George Shen
  • Patent number: D255490
    Type: Grant
    Filed: March 20, 1978
    Date of Patent: June 17, 1980
    Assignee: Zimmer USA, Inc.
    Inventor: Danny L. Pastrick