Patents by Inventor John Harold Crossley

John Harold Crossley 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).

  • Golf driving range platform
    Patent number: 7758444
    Abstract: A golf driving range platform (20) having: a base plate (22) having a lower surface (21) and an upper surface (23), the base plate lower surface (21) being provided to rest on a ground; a lower wedge (26) having a lower surface (27) and an upper surface (28) inclined relative to each other by a first predetermined angle (29), the lower wedge lower surface (27) being disposed above said base plate upper surface (23) and supported thereon, the lower wedge (26) being rotatable relative to said base plate (22) about a first rotation axis (40) extending substantially perpendicular to the base plate upper surface (23); an upper wedge (30) having a lower surface (31) and an upper surface (32) inclined relative to each other by a second predetermined angle (33), the upper wedge lower surface (31) being disposed above said lower wedge upper surface (28) and supported thereon, the upper wedge (30) being rotatable relative to said base plate (22) and said lower wedge (26); a top plate (34) having a lower surface (35) an
    Type: Grant
    Filed: October 6, 2005
    Date of Patent: July 20, 2010
    Assignee: D'Crouza Products Pty. Ltd.
    Inventor: John Harold Crossley
  • GOLF DRIVING RANGE PLATFORM
    Publication number: 20090111600
    Abstract: A golf driving range platform (20) having: a base plate (22) having a lower surface (21) and an upper surface (23), the base plate lower surface (21) being provided to rest on a ground; a lower wedge (26) having a lower surface (27) and an upper surface (28) inclined relative to each other by a first predetermined angle (29), the lower wedge lower surface (27) being disposed above said base plate upper surface (23) and supported thereon, the lower wedge (26) being rotatable relative to said base plate (22) about a first rotation axis (40) extending substantially perpendicular to the base plate upper surface (23); an upper wedge (30) having a lower surface (31) and an upper surface (32) inclined relative to each other by a second predetermined angle (33), the upper wedge lower surface (31) being disposed above said lower wedge upper surface (28) and supported thereon, the upper wedge (30) being rotatable relative to said base plate (22) and said lower wedge (26); a top plate (34) having a lower surface (35) an
    Type: Application
    Filed: October 6, 2005
    Publication date: April 30, 2009
    Inventor: John Harold Crossley