Patents by Inventor Warren S. Marshall

Warren S. Marshall 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).

  • Surgical scissors
    Patent number: 4285344
    Abstract: A surgical scissors for excising tissue in areas of limited access where straight scissors cannot reach. The scissors has a hook-shaped end with cutting blades on a cutting axis which is generally perpendicular to the axis along which handle members of the scissors extend. The hook-shaped end may carry a second pair of cutting blades in a cutting plane which is generally parallel to the axis along which the handle members extend.
    Type: Grant
    Filed: February 21, 1980
    Date of Patent: August 25, 1981
    Inventor: Warren S. Marshall