Patents by Inventor William G. McGuire

William G. McGuire 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).

  • Deep tillage implement
    Patent number: 4871032
    Abstract: A deep tillage earth engaging implement having a frictional attachment to a tine of an agricultural machine in which the attachment portion incorporates a socket with a cross-section tapering toward the earth engaging portion. The foot of the tine is of complementary shape.
    Type: Grant
    Filed: April 28, 1988
    Date of Patent: October 3, 1989
    Assignee: Ralph McKay Limited
    Inventors: William G. McGuire, Hartley F. Young