Patents by Inventor Harding W. Day

Harding W. Day 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).

  • Bulk tobacco barn furnace
    Patent number: 4482315
    Abstract: An auxiliary wood furnace for a bulk curing tobacco barn is arranged for installation in a basement immediately below the conventional oil or gas fired furnace for ease of barn modification and adaptation to burning wood as the source of heat.
    Type: Grant
    Filed: September 12, 1983
    Date of Patent: November 13, 1984
    Inventor: Harding W. Day