Patents by Inventor Daryl Benzel

Daryl Benzel 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: 10180021
    Abstract: A security device for a door comprising a housing, a turn knob actuator, a key lock actuator, and a deadbolt that slides into and out of an opening in the door frame located forward of the front face of the door, where the door frame is usually thick and solid.
    Type: Grant
    Filed: June 9, 2017
    Date of Patent: January 15, 2019
    Assignee: INVINCIBOLT LOCKS LLC
    Inventor: Daryl Benzel