Patents by Inventor Robert N. Schumann

Robert N. Schumann 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).

  • Golf club cleaning composition and method
    Patent number: 5064556
    Abstract: A composition is disclosed for cleaning dirt and stains from metalwood golf clubs. The composition is especially effective when applied with a nonwoven nylon pad having an abrasive bonded thereto.
    Type: Grant
    Filed: February 13, 1991
    Date of Patent: November 12, 1991
    Assignee: Provision, Inc.
    Inventors: Joseph F. Brandes, Robert N. Schumann