Patents by Inventor Mitchell A. Rothstein

Mitchell A. Rothstein 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).

  • Method and apparatus for sprayed delivery of tooth bleaching agent
    Patent number: 5611690
    Abstract: An apparatus for and method of whitening teeth utilizes a liquid composition containing a liquid tooth whitening bleach and a breath freshener. The composition is sprayed onto the teeth and is allowed to stay on the teeth for a short period of time. The composition is then expectorated. The process is repeated two to four times a day. The apparatus of the invention comprises a small, compact and portable container with spraying mechanism which contains a supply of the composition and which can be used both in the home and outside for convenience and economy.
    Type: Grant
    Filed: April 2, 1996
    Date of Patent: March 18, 1997
    Assignee: E. Mishan & Sons, Inc.
    Inventors: Georgene Summers, Mitchell A. Rothstein
  • Exercise machine
    Patent number: D373608
    Type: Grant
    Filed: August 18, 1993
    Date of Patent: September 10, 1996
    Assignee: American Fitness Products, Inc.
    Inventors: Georgene Summers, Mitchell A. Rothstein