Patents by Inventor Robin H. Spratt

Robin H. Spratt 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: D316465
    Type: Grant
    Filed: October 17, 1988
    Date of Patent: April 23, 1991
    Assignee: Black & Decker Inc.
    Inventors: Ulrich Reiferscheid, Robin H. Spratt
  • Patent number: D322742
    Type: Grant
    Filed: June 19, 1989
    Date of Patent: December 31, 1991
    Assignee: Black & Decker, Inc.
    Inventor: Robin H. Spratt