Patents by Inventor William P. Canale

William P. Canale 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).

  • Fragrance dispenser for air treatment apparatus
    Patent number: 5820791
    Abstract: An air freshening device used in conjunction with an air circulation system of a building for impregnating the air with an aromatic scent. The device comprises a combination integrally-mixed plastic and scent substance formed through a manufacturing process that produces a shape for the scent impregnating device which permits it to be removeably attached to an air filter.
    Type: Grant
    Filed: July 17, 1995
    Date of Patent: October 13, 1998
    Inventor: William P. Canale