Patents by Inventor Subhash R. Gupta

Subhash R. Gupta 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).

  • Tongue cleaner
    Patent number: D253789
    Type: Grant
    Filed: February 3, 1978
    Date of Patent: December 25, 1979
    Inventor: Subhash R. Gupta
  • Tongue cleaner
    Patent number: D267508
    Type: Grant
    Filed: July 21, 1980
    Date of Patent: January 4, 1983
    Assignee: Denteco Inc.
    Inventor: Subhash R. Gupta