Patents by Inventor Michael G. Sirois

Michael G. Sirois 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).

  • Base for a telephone set
    Patent number: D297138
    Type: Grant
    Filed: March 20, 1987
    Date of Patent: August 9, 1988
    Assignee: Northern Telecom Limited
    Inventors: Duncan Culver, Ezra T. Peachey, Michael G. Sirois