Patents by Inventor John R. Houghton

John R. Houghton 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).

  • Hose cassette frame
    Patent number: D270996
    Type: Grant
    Filed: April 3, 1981
    Date of Patent: October 18, 1983
    Assignee: Heger Plastics A/S
    Inventor: John R. Houghton
  • Hose cassette reel
    Patent number: D271077
    Type: Grant
    Filed: April 3, 1981
    Date of Patent: October 25, 1983
    Assignee: Heger Plastics A/S
    Inventor: John R. Houghton
  • Reel for a hose cassette
    Patent number: D271078
    Type: Grant
    Filed: April 3, 1981
    Date of Patent: October 25, 1983
    Assignee: Heger Plastics A/S
    Inventor: John R. Houghton
  • Hose cassette
    Patent number: D271080
    Type: Grant
    Filed: April 3, 1981
    Date of Patent: October 25, 1983
    Assignee: Heger Plastics A/S
    Inventor: John R. Houghton