Patents by Inventor Lawrence D. Henderson

Lawrence D. Henderson 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: 5530945
    Abstract: Independent groups of wireless telephone subscribers (tenants) are supported by common infrastructure communication equipment including network controller (WNC) and a database that stores group membership A plurality of radio frequency base stations are disposed to provide wireless communications channels for the wireless telephones. A switched telecommunication office supports conventional wired communication channels. The WNC supports a plurality of base stations and can couple a wireless and wired communication channel together to provide a voice channel for a wireless telephone subscriber. The WNC only provides a voice channel to a requesting wireless telephone subscriber if the base station carrying the request has been assigned to handle the group that includes the the requesting subscriber as determined by the database.
    Type: Grant
    Filed: August 31, 1993
    Date of Patent: June 25, 1996
    Assignee: AT&T Corp.
    Inventors: David L. Chavez, Jr., Donald D. Gallagher, Lawrence D. Henderson