Patents by Inventor Robert K. P. Illson

Robert K. P. Illson 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).

  • Gas detector
    Patent number: D856837
    Type: Grant
    Filed: February 24, 2017
    Date of Patent: August 20, 2019
    Assignee: 1928062 Ontario Ltd.
    Inventor: Robert K. P. Illson