Patents by Inventor John M. Harlow

John M. Harlow 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: 4223864
    Abstract: The invention relates to devices for displaying a plaque, such as a decorative plate, the devices comprising two members which are interengageable in a number of positions to enable various sizes of plaque to be displayed.
    Type: Grant
    Filed: February 21, 1978
    Date of Patent: September 23, 1980
    Inventor: John M. Harlow
  • Patent number: D251580
    Type: Grant
    Filed: March 28, 1977
    Date of Patent: April 17, 1979
    Inventor: John M. Harlow