Patents by Inventor John Robert Haynes

John Robert Haynes 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).

  • Patent number: 6543735
    Abstract: A shield for a wall mounted smoke detector guard or enclosure prevents looped items from being hung on the shield and the enclosure. The shield includes a mounting surface for mounting to a wall. A downwardly sloping surface structure extends from the mounting surface for extending above the top surface of the enclosure. The downwardly sloping surface structure has sufficient slope and length for preventing items from being hung on the shield and the enclosure while at the same time providing a direct smoke flow path therepast to the top surface of the enclosure.
    Type: Grant
    Filed: September 19, 2000
    Date of Patent: April 8, 2003
    Assignee: ADT Services AG
    Inventors: John Robert Haynes, Lawrence G. Stanley