Patents by Inventor Martin Wellin

Martin Wellin 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).

  • Air powered rotary scrubbing brush
    Patent number: D262670
    Type: Grant
    Filed: January 25, 1979
    Date of Patent: January 19, 1982
    Assignee: U.S. Industrial Tool & Supply Co.
    Inventor: Martin Wellin