Patents by Inventor Stephen Zetts

Stephen Zetts 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).

  • Fire alert system with sequential delay and external indication
    Patent number: 8334785
    Abstract: A fire and smoke heat detector alarm device that employs a combination of indoor and outdoor alarms with a user delay and off access control activation input. The warning alarm device has interior and remote control access including battery backup and pro-active threat mitigation of optional gas supply cut-off.
    Type: Grant
    Filed: February 12, 2010
    Date of Patent: December 18, 2012
    Inventor: Stephen Zetts