Patents by Inventor Charles B. McAllister

Charles B. McAllister 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).

  • Prophylaxis strip
    Patent number: 4270556
    Abstract: A reusable strip of perforated stainless steel for use following prophylaxis to remove any remaining plaque, calculus, and stains from interproximal surfaces and contact areas of the teeth without abrading or damaging tooth enamel.
    Type: Grant
    Filed: April 24, 1980
    Date of Patent: June 2, 1981
    Assignee: Twelve West, Inc.
    Inventor: Charles B. McAllister