Patents by Inventor Robert A. Scollard

Robert A. Scollard 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 root tree and shrub fertilizer stake drivers
    Patent number: 5461992
    Abstract: A deep root tree and shrub fertilizer stake driver comprising an elongated tube having a hollow circular configuration and having an upper end and a lower end, a plurality of axial slots formed in the tube extending upwardly from the lower end thereof and a rigid rod having an upper end and a lower end slidably positionable within the tube of a slightly longer length as the tube.
    Type: Grant
    Filed: November 9, 1993
    Date of Patent: October 31, 1995
    Inventor: Robert A. Scollard