Patents by Inventor Joel J. Spero

Joel J. Spero 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).

  • Aromatic air circulation and filtration system
    Patent number: 5690720
    Abstract: An aromatic air circulation and filtration system including a plurality of scented air filters adapted to be inserted within an existing air duct system. Also, included is an electrostatic air filter that has a layer of a air pervious material with a pair of thin conductive mesh grids each coupled on an opposite side. A turbine is coupled to the electrostatic filter for supplying power. Whereby when powered, the electrostatic filter acts to attract and contain particles. Finally, a control system is included for conveniently operating the system.
    Type: Grant
    Filed: March 4, 1996
    Date of Patent: November 25, 1997
    Inventor: Joel J. Spero