Patents by Inventor William Marshall Arrington

William Marshall Arrington 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).

  • Portable recorder control apparatus
    Patent number: 3972071
    Abstract: A portable disc recorder control apparatus operable both upon insertion of a recording disc and manipulation of a single control button. After insertion and positioning of the disc, such functions and operations as special instruction recording, stopping, ejecting, playing, and reviewing are controlled by the apparatus. These functions and operations are initiated through the single control button.
    Type: Grant
    Filed: June 27, 1975
    Date of Patent: July 27, 1976
    Assignee: International Business Machines Corporation
    Inventor: William Marshall Arrington