Patents by Inventor Michael J. Grajewski

Michael J. Grajewski 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: 7183915
    Abstract: A security system for use in an enclosure which may be an ATM. The security system includes a first electronic module housed within the enclosure and at least one removable container for storing valuables. A second electronic module is housed within the removable container. The modules communicate with each other wirelessly within the enclosure. The first module includes one or more inputs for receiving an output of at least one sensor for sensing an activity predetermined to indicate a security threat, a first logic circuit in communication with the inputs, and a first wireless communication device connected to the logic circuit. The second electronic module includes a second wireless communication device; a second logic circuit connected to the second communication device; and at least one output for sending an activation signal to a theft deterrent device in response to a pre-programmed sequence of events, including at least one communication from the first module.
    Type: Grant
    Filed: August 5, 2004
    Date of Patent: February 27, 2007
    Assignee: 3SI Security Systems, Inc.
    Inventors: Joel Bartholf, Michael J. Grajewski, Mitchell Lee Ingle
  • Patent number: 5734325
    Abstract: An alarm device for night deposit boxes consists of a housing with a tear gas or dye-releasing alarm in a housing mountable inside the deposit box. The housing includes electrical circuitry, which is connected by a flexible conductor cable to a trigger switch fitting into a magnetic keeper. The keeper is mechanically connected to the deposit box door assembly by a flexible cable. The circuitry includes a key-operated disabling switch and a light-emitting diode which is momentarily energized through a capacitor when the circuit is enabled.
    Type: Grant
    Filed: October 10, 1995
    Date of Patent: March 31, 1998
    Assignee: ICI Americas Inc.
    Inventors: Raymond C. Johnson, Walter K. Layfield, Michael J. Epple, Gregory J. Burns, James J. Walker, Michael J. Grajewski