Patents by Inventor Donald J. Gardner

Donald J. Gardner 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: 5564628
    Abstract: A process and apparatus for controlling high vegetative and brush growth along a narrow, continuous strip of land along the sides of a roadway or other right-of-way comprising preparing a dilute aqueous herbicidal solution, particulating said solution into coarse or large droplets and imparting an electrostatic charge to the droplets of herbicidal solution, and spraying the particulated and electrostatically charged droplets of said solution upon a narrow, continuous strip of land along the side of a roadway with minimal encroachment of the spray upon the environmental land adjacent said strip, and apparatus for effectively and accurately performing such operations.
    Type: Grant
    Filed: November 25, 1991
    Date of Patent: October 15, 1996
    Assignee: Agro Statics, Inc.
    Inventors: Sue A. Hall, Donald J. Gardner
  • Patent number: 5307828
    Abstract: A support foot assembly (10) for use with a elongated load bearing device such as a cane (16) or crutch. The support foot assembly includes a mounting structure (12) having a generally planar bottom surface (12.1) and an upper surface (12.2) which, in the preferred form of the invention shown in the accompanying drawings, is provided with a large, deep generally cylindrical cavity (12.3). Securing means (14) are provided to secure the elongated load bearing device to the mounting structure, and to this end a rubber-like crutch or cane tip (18) is mounted within the cavity (12.3), the tip (18) being retained within the cavity by a rubber-like cord (22) which passes through a small aperture (12.5) below the cavity (12.3), the cord having an enlarged portion (22.1) which engages the bottom surface (12.1) of the mounting structure.
    Type: Grant
    Filed: June 4, 1993
    Date of Patent: May 3, 1994
    Inventors: Donald J. Gardner, Sue A. Gardner