Patents by Inventor Zygmunt Pasturczyk

Zygmunt Pasturczyk 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: 5966432
    Abstract: An apparatus and method for remotely answering a door. The apparatus includes a switch, a telephone transmitter and an a telephone receiver positioned near the door. At least one telephone station is operable to place a telephone call to a remote telephone identified by a pre-determined telephone number. An interface detects actuation of the switch and signals the telephone station to place the telephone call in response to actuation of the switch and places the telephone transmitter and receiver in communication with the telephone to establish telephonic communication between the telephone transmitter and receiver and the remote telephone.
    Type: Grant
    Filed: April 14, 1997
    Date of Patent: October 12, 1999
    Assignee: Nortel Networks Corporation
    Inventors: Brian Lawrence Buckler, David Jeffrey Westergaard, Zygmunt Pasturczyk, Alan David Eyre