Patents by Inventor Elwood Dalen Grant Friesen

Elwood Dalen Grant Friesen 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).

  • Booster amplifier for cellular telephone cradles
    Patent number: 6892080
    Abstract: A booster amplifier that can be coupled to virtually any cellular telephone handset is provided for use with virtually any cellular communications network. The power output of the booster amplifier is dynamically controlled based upon signals received from the handset to improve the quality and range of communications between the handset and the base stations of the cellular network without interfering with normal communications between the cellular network and other handsets.
    Type: Grant
    Filed: November 27, 2001
    Date of Patent: May 10, 2005
    Assignee: Arrista Technologies, Inc.
    Inventors: Elwood Dalen Grant Friesen, Wybrandus Theodore Schellekens
  • Booster amplifier for cellular telephone cradles
    Publication number: 20030100351
    Abstract: A booster amplifier that can be coupled to virtually any cellular telephone handset is provided for use with virtually any cellular communications network. The power output of the booster amplifier is dynamically controlled based upon signals received from the handset to improve the quality and range of communications between the handset and the base stations of the cellular network without interfering with normal communications between the cellular network and other handsets.
    Type: Application
    Filed: November 27, 2001
    Publication date: May 29, 2003
    Applicant: Arrista Technologies, Inc.
    Inventors: Elwood Dalen Grant Friesen, Wybrandus Theodore Schellekens