Patents by Inventor Matthew P. Marko

Matthew P. Marko 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: 6441735
    Abstract: Apparatus for providing a signal in response to the actuation of an internal lock mechanism for a door latch to a locked condition of the door latch and for detecting the locked condition when the door is in a closed position with the door latch bolt in the door jamb. Detection apparatus is located in the door jamb and senses the lock signal and in turn can provide a signal locally or to a remote security or surveillance system indicating the locked or unlocked condition of the latch bolt when the door is in the closed position.
    Type: Grant
    Filed: February 21, 2001
    Date of Patent: August 27, 2002
    Assignee: Marlin Security Systems, Inc.
    Inventors: Matthew P. Marko, Adam J. Kollin