Patents by Inventor Bradford L. Farris

Bradford L. Farris 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: 5949349
    Abstract: A barrier movement system which is useful in provided barrier movement in environments where a first barrier such as a community gate is commonly controlled by a plurality of different actuators (transmitters) which actuators separately control other barriers such as household garage doors. The controller of the commonly controlled gate receives and contemporaneously analyzes codes in accordance with a plurality of different code format standards and at the same time analyzes the received code to determine which format is actually being received. In an embodiment only a fixed code portion of a rolling code sequence is used for actuation at the commonly controlled barrier.
    Type: Grant
    Filed: February 19, 1997
    Date of Patent: September 7, 1999
    Assignee: The Chamberlain Group, Inc.
    Inventors: Bradford L. Farris, James J. Fitzgibbon, Paul E. Wanis