Patents by Inventor Robert G. Mills

Robert G. Mills 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: 5997901
    Abstract: A scented molded product, e.g. an effervescent bath tablet or an air freshener, is made by mixing sodium bicarbonate, water and fragrance oils to form a first mixture, adding to this first mixture a citric acid mixture comprising sodium borate mixed with citric acid to form a third mixture and molding and drying the third mixture to form a hardened product.
    Type: Grant
    Filed: October 22, 1998
    Date of Patent: December 7, 1999
    Inventor: Robert G. Mills
  • Patent number: 4222753
    Abstract: A built-in suction cleaner has a waste bucket of translucent material to permit its contents to be seen. The bucket has handles and is secured to a body section by co-operating projections and recesses, facilitating removal and replacement of the bucket. A filter in the body section is secured by a spring band in the filter edge being received within a groove in the body section wall. The body section supports a suction unit, which is resiliently secured in place only by a cover being fixed to the body section.
    Type: Grant
    Filed: June 6, 1978
    Date of Patent: September 16, 1980
    Inventor: Robert G. Mills