Patents by Inventor Ernest F. Ubermuth

Ernest F. Ubermuth 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).

  • Plastic spool for thread or the like
    Patent number: D244808
    Type: Grant
    Filed: December 15, 1975
    Date of Patent: June 28, 1977
    Assignee: The Risdon Manufacturing Company
    Inventor: Ernest F. Ubermuth