Patents by Inventor Francis Saju

Francis Saju 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).

  • System to detect lock tampering
    Publication number: 20070241859
    Abstract: A lock and key system is configured to sense an operational signature generated by an object placed into a keyway in the system. The system is further configured to compare the operational signature with a reference signature, and to generate an alarm when the operational signature differs from the reference signature by a threshold.
    Type: Application
    Filed: April 13, 2006
    Publication date: October 18, 2007
    Inventors: Rajeshwari Bhat, Dinesh Kumar K N, Francis Saju