Patents by Inventor Robert F. Wilbrink

Robert F. Wilbrink 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).

  • Patent number: D312397
    Type: Grant
    Filed: August 11, 1987
    Date of Patent: November 27, 1990
    Assignee: The Procter & Gamble Company
    Inventor: Robert F. Wilbrink