Patents by Inventor Ray J. Stein

Ray J. Stein 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 room air conditioner
    Patent number: 4617157
    Abstract: An adjustable fragrance dispenser for an appliance has a mounting base, a fragrance cartridge selectively attachable to the base and a reciprocal slide having a pair of spaced shutters for selectively closing dispensing openings on corresponding walls of the cartridge. One of the shutters is spaced further from the base than the other to provide for removal and replacement of the cartridge.
    Type: Grant
    Filed: April 22, 1985
    Date of Patent: October 14, 1986
    Assignee: Whirlpool Corporation
    Inventors: Ray J. Stein, Raymond G. Simons