Patents by Inventor Thomas MacKenzie

Thomas MacKenzie 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).

  • Light bulb
    Patent number: D600370
    Type: Grant
    Filed: September 26, 2008
    Date of Patent: September 15, 2009
    Assignee: Intellectual Property Energy Mad Limited
    Inventor: Thomas MacKenzie
  • Light fitting
    Patent number: D601293
    Type: Grant
    Filed: September 18, 2008
    Date of Patent: September 29, 2009
    Assignee: Intellectual Property Energy MAD Limited, c/o Grant Thornton
    Inventor: Thomas MacKenzie