Patents by Inventor Edward Leslie Brown

Edward Leslie Brown 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: 3993444
    Abstract: A device having an open top container holding a quantity of a volatile paste like material within the interior of the container, which material is intermittently dispensed in vapor form to the ambient atmosphere. An electric circuit controlled motor is intermittently energized at predetermined time intervals to rotate a fan in the device for specific time periods to direct currents of air onto the exposed surface of the paste and transform the paste into vapor that is discharged outwardly from the container.
    Type: Grant
    Filed: October 15, 1974
    Date of Patent: November 23, 1976
    Inventor: Edward Leslie Brown