Patents by Inventor Mark Stratford

Mark Stratford 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).

  • Hand-held vacuum cleaner
    Patent number: D379690
    Type: Grant
    Filed: June 6, 1995
    Date of Patent: June 3, 1997
    Assignee: Black & Decker Inc.
    Inventors: Nigel Howell, Kieren M. Phelan, Mark Stratford
  • Vacuum cleaner
    Patent number: D387516
    Type: Grant
    Filed: October 26, 1995
    Date of Patent: December 9, 1997
    Assignee: Black & Decker Inc.
    Inventors: Chris Murray, Mark Stratford
  • Keyless chuck
    Patent number: D392654
    Type: Grant
    Filed: March 13, 1997
    Date of Patent: March 24, 1998
    Assignee: Black & Decker Inc.
    Inventors: Mark Stratford, Laurie Cunningham