Patents by Inventor Arnold E. Roberts

Arnold E. Roberts 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).

  • Counting and printing mechanism with interchangeable unit printer wheel
    Patent number: 4055116
    Abstract: A unit designating printer wheel for a counter-printer device is arranged for convenient interchangeable assembly between the drive wheel and counting printer wheels. The unit printer wheel has a plurality of unit designating characters around the rim thereof and is arranged to be locked in rotatably adjusted position; and a hub member rotatable in the unit designating printer wheel is arranged to transmit motion from the drive wheel to the counting printer wheels.
    Type: Grant
    Filed: February 17, 1976
    Date of Patent: October 25, 1977
    Assignee: Emerson Electric Co.
    Inventors: Arnold E. Roberts, Jack D. Harshman