Patents by Inventor Gregory John Smale

Gregory John Smale 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).

  • Drainage surface construction
    Patent number: 6647565
    Abstract: This application describes a method of constructing a surface for drainage, and a kit of parts forming components required to produce such a drainage surface.
    Type: Grant
    Filed: March 8, 2002
    Date of Patent: November 18, 2003
    Inventor: Gregory John Smale
  • Canister for a shower screen closure device
    Patent number: D425972
    Type: Grant
    Filed: November 23, 1998
    Date of Patent: May 30, 2000
    Inventor: Gregory John Smale