Patents by Inventor Douglas M. Weismann

Douglas M. Weismann 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: 6665305
    Abstract: A network device coupled to subscribers using a first communication network determines whether to forward communications from a particular subscriber to other components of a system based upon whether the subscriber is a part of a subscriber loop. The network device determines whether the subscriber is a part of a subscriber loop based upon the communications received from the subscriber and subscriber associations stored at the network device.
    Type: Grant
    Filed: January 4, 2000
    Date of Patent: December 16, 2003
    Assignee: Cisco Technology, Inc.
    Inventor: Douglas M. Weismann