Patents by Inventor John Doggart

John Doggart 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).

  • Wall chime
    Patent number: D258424
    Type: Grant
    Filed: November 20, 1978
    Date of Patent: March 3, 1981
    Assignee: V. & E. Friedland Limited
    Inventor: John Doggart
  • Wall chime
    Patent number: D264196
    Type: Grant
    Filed: September 27, 1979
    Date of Patent: May 4, 1982
    Assignee: V & E Friedland Limited
    Inventor: John Doggart
  • Wall chime
    Patent number: D264320
    Type: Grant
    Filed: September 27, 1979
    Date of Patent: May 11, 1982
    Assignee: V & E Friedland Limited
    Inventor: John Doggart