Patents by Inventor Elmer L. Matherne

Elmer L. Matherne 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).

  • Ceiling fan filter
    Patent number: 4840650
    Abstract: A ceiling fan filter comprising a housing having an air entrance and an air exit. Within the housing and intermediate the air entrance and exit is a filter medium sized to entrap airborne particles. A ceiling fan clip secures the filter to the leading edge portion of a fan blade, thereby filtering the air as it is moved by the ceiling fan.
    Type: Grant
    Filed: June 24, 1988
    Date of Patent: June 20, 1989
    Inventor: Elmer L. Matherne
  • Ceiling fan filter
    Patent number: D306198
    Type: Grant
    Filed: June 14, 1988
    Date of Patent: February 20, 1990
    Inventor: Elmer L. Matherne