Patents by Inventor Richard W. Mellow, Jr.

Richard W. Mellow, Jr. 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).

  • Combined heat exchanger and fireplace grate
    Patent number: D249358
    Type: Grant
    Filed: November 18, 1976
    Date of Patent: September 12, 1978
    Assignee: Liberty Foundry Co.
    Inventor: Richard W. Mellow, Jr.
  • Coal burning grate
    Patent number: D262510
    Type: Grant
    Filed: February 28, 1980
    Date of Patent: January 5, 1982
    Assignee: Liberty Foundry Co.
    Inventor: Richard W. Mellow, Jr.