Patents by Inventor John J. Napierkowski

John J. Napierkowski 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).

  • Station protector module for network interface device
    Patent number: 5410596
    Abstract: A station protector module contains telephone company terminals and subscriber terminals. The module has apparatus for grounding the module in a network interface device and also has means for grounding upon extended grounding current flow through a surge protector in the module. The grounding apparatus becomes operative upon the melting of a fusible means. The surge protector is a single component bidirectional voltage sensitive switch.
    Type: Grant
    Filed: September 27, 1993
    Date of Patent: April 25, 1995
    Assignee: Siecor Corporation
    Inventors: William J. Shannon, John P. DuBois, John J. Napierkowski, Dan Kidd