Patents by Inventor Mark J. Jeffers

Mark J. Jeffers 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).

  • Dual tapered surgical knife
    Patent number: 5258002
    Abstract: A surgical knife having a handle and a blade, the blade having a blunt tip, a generally V-shaped cutting portion extending from the blunt tip to the widest part of the blade and tapered portion extending from the widest part of the blade to the point of attachment of the blade with the handle.
    Type: Grant
    Filed: November 25, 1992
    Date of Patent: November 2, 1993
    Assignee: Alcon Surgical, Inc.
    Inventors: Mark J. Jeffers, Michael S. O'Neil, Luther A. Hoffman