Patents by Inventor Lloyd Michael Spencer

Lloyd Michael Spencer 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).

  • Vacuum cleaner
    Patent number: D646857
    Type: Grant
    Filed: August 2, 2010
    Date of Patent: October 11, 2011
    Assignee: Koninklijke Philips Electronics N.V.
    Inventors: Lloyd Michael Spencer, Guy Anthony Brown, Salvatore Primo
  • Charge base for vacuum cleaner
    Patent number: D647475
    Type: Grant
    Filed: August 2, 2010
    Date of Patent: October 25, 2011
    Assignee: Koninklijke Philips Electronics N.V.
    Inventors: Lloyd Michael Spencer, Guy Anthony Brown, Salvatore Primo
  • Handheld floor steamer
    Patent number: D725326
    Type: Grant
    Filed: December 13, 2013
    Date of Patent: March 24, 2015
    Assignee: Koninklijke Philips N.V.
    Inventors: Lloyd Michael Spencer, Donald Thackray