Patents by Inventor Charles O. Weidman

Charles O. Weidman 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).

  • Flour sifter or the like
    Patent number: D252367
    Type: Grant
    Filed: December 17, 1976
    Date of Patent: July 17, 1979
    Assignees: Mark H. Freedman, Theodore M. Freedman
    Inventors: Mark H. Freedman, Theodore M. Freedman, Charles O. Weidman