Patents by Inventor Richard J. Danielson

Richard J. Danielson 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).

  • Handset hanger and switch
    Patent number: 4454387
    Abstract: This telephone handset hanger is intended particularly for use on a vehicle. It includes a simplified and strengthened spring mechanism for holding the handset in place and an improved switch actuating mechanism.
    Type: Grant
    Filed: December 23, 1981
    Date of Patent: June 12, 1984
    Assignee: Roanwell Corporation
    Inventors: Richard J. Danielson, John E. Marquart