Patents by Inventor Tom Rattray

Tom Rattray 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: 4412478
    Abstract: Apparatus and method for changing the temperature of a room by moving warm air into or out of a room, and for effecting its distribution. A fan is removably and reversibly mountable on a bracket located on the upper portion of a doorframe in a manner which will not interfere with the normal operation of the doorway, and circulates air from one room into an adjacent room or hallway to effect a more even, efficient heating or cooling of living and work areas.
    Type: Grant
    Filed: November 19, 1981
    Date of Patent: November 1, 1983
    Inventors: John D. Osher, Tom Rattray