Patents by Inventor Malcolm Cammack

Malcolm Cammack 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: 8317163
    Abstract: A pipe gate hinge comprises a substantially U-shaped bracket, at least one pipe attachment member, and at least two post attachment members. The bracket has a first longitudinally extending leg with the distal end portion angled in the first transverse direction relative to a longitudinal axis and a second longitudinally extending leg with the distal end portion angled in the second transverse direction relative to the longitudinal axis. At least one pipe attachment aperture is in the first leg and one pipe attachment aperture is in the second leg. At least one post attachment aperture is proximate the distal end portion of the first leg and at least one post attachment aperture is proximate the distal end portion of the second leg. At least one pipe attachment member is configured and arranged to be inserted through the pipe attachment apertures to secure the bracket to a vertically extending member of a pipe gate.
    Type: Grant
    Filed: June 11, 2009
    Date of Patent: November 27, 2012
    Inventor: Malcolm Cammack
  • Patent number: 7246669
    Abstract: A sod cutting device containing aspects of the present invention contains an angled blade having a vertical cutting edge and a horizontal cutting edge. The angled blade is secured to a body member that in turn is movably affixed to a vehicle. Such a device may be used for cutting and trimming of grass sod around trees, hedges, gardens and elsewhere where it is desired to obtain a well-defined grass lawn edge.
    Type: Grant
    Filed: October 29, 2002
    Date of Patent: July 24, 2007
    Inventor: Malcolm Cammack
  • Publication number: 20040079536
    Abstract: A sod cutting device containing aspects of the present invention contains an angled blade having a vertical cutting edge and a horizontal cutting edge. The angled blade is secured to a body member that in turn is movably affixed to a vehicle. Such a device may be used for cutting and trimming of grass sod around trees, hedges, gardens and elsewhere where it is desired to obtain a well-defined grass lawn edge.
    Type: Application
    Filed: October 29, 2002
    Publication date: April 29, 2004
    Inventor: Malcolm Cammack