Patents by Inventor Jerald A. Bowman

Jerald A. Bowman 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).

  • Tibial cutting guide
    Patent number: 4952213
    Abstract: An apparatus for placing a bone cutting saw cutting guide adjacent a proximal surface of a human tibia bone having an elongated rod inserted into the tibia for clampingly supporting a rotating bar on the central longitudinal axis of the tibia bone. The bar being extended from the rod and connected to a pivot device which in turn is connected to a support arm that holds a saw cutting guide against a proximal portion of the tibia bone. The rotation angle of the rod determining the medial-lateral inclination of the saw cutting guide and the pivot device determining the anterior-posterior inclination of the saw cutting guide. The support arm is adjustable in length to determine the height of the saw cutting guide.
    Type: Grant
    Filed: February 3, 1989
    Date of Patent: August 28, 1990
    Assignee: Boehringer Mannheim Corporation
    Inventors: Jerald A. Bowman, Larry G. McCleary
  • Cannulated self-tapping bone screw
    Patent number: 4950270
    Abstract: A fluted and cannulated self-tapping bone screw which can be guided into proper position using a guide pin that slidably fits in the cannula of the bone screw. The flutes have cutting edges centered on axial centerline of the cannula.
    Type: Grant
    Filed: February 3, 1989
    Date of Patent: August 21, 1990
    Assignee: Boehringer Mannheim Corporation
    Inventors: Jerald A. Bowman, Richard V. Zile
  • Ligament graft passer or similar article
    Patent number: D309499
    Type: Grant
    Filed: December 30, 1987
    Date of Patent: July 24, 1990
    Assignee: DePuy, Division of Boehringer Mannheim
    Inventors: Jerald A. Bowman, Richard E. Hobbs