Patents by Inventor Sandra M. McNicholas

Sandra M. McNicholas 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).

  • Patent number: 4538688
    Abstract: Disclosed herein is a fluted coulter disc blade with a circumferential cutting edge portion, flutes circumferentially spaced apart around the disc and having a radially and axially tapered configuration, notches in the peripheral cutting edge portion, and circumferential openings through the flutes.
    Type: Grant
    Filed: March 2, 1984
    Date of Patent: September 3, 1985
    Assignee: Ingersoll Products Corp.
    Inventors: Robert J. Szucs, Sandra M. McNicholas