Patents by Inventor Douglas A. Malmstrom

Douglas A. Malmstrom 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).

  • Device for supporting multi-line configurations in a fixed wireless loop application
    Patent number: 5978684
    Abstract: A device for supporting multiple line configurations in a Fixed Wireless Loop (FWL) application includes a hand-held transceiver supporting wireless communications. The device also includes a cradle disposed on or in the building for receiving the hand-held transceiver and terminating a primary telecommunications line having at least one primary telephone connected thereto. The cradle further terminates a secondary telecommunications line, different from the primary telecommunications line, having at least one secondary telephone connected thereto. Still further, the cradle includes a spring-loaded switch integrally formed therein, wherein when the hand-held transceiver is in the cradle, the switch is biased to break contact between the primary telecommunications line and the secondary telecommunications line.
    Type: Grant
    Filed: September 11, 1997
    Date of Patent: November 2, 1999
    Assignee: U S West, Inc.
    Inventors: Charles I. Cook, James R. Corliss, Michael J. Fargano, Douglas A. Malmstrom