Patents by Inventor Philip Alan Coulter

Philip Alan Coulter 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).

  • Smoke detector
    Patent number: D853874
    Type: Grant
    Filed: July 18, 2016
    Date of Patent: July 16, 2019
    Assignee: APOLLO FIRE DETECTORS LIMITED
    Inventors: Graham Ian Pare, Philip Alan Coulter, Philip Watson