Patents by Inventor B. Carmichael Sumner

B. Carmichael Sumner 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).

  • Dispenser for toilet materials
    Patent number: 4465733
    Abstract: The present invention provides for the combination of a fibrous carrier which is readily degradable when wet, and foam-forming materials, that produce a protective layer of fibers and foam on the surface of the water contained in a toilet, so as to inhibit splash and noise associated with the deposition of waste into the toilet bowl.
    Type: Grant
    Filed: September 22, 1983
    Date of Patent: August 14, 1984
    Inventor: B. Carmichael Sumner