Patents by Inventor Robert C. Knights

Robert C. Knights 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).

  • Patent number: 4216953
    Abstract: A paper supply device for a machine such as an electric typewriter or word processor, the device comprising a self-supporting housing for location behind said machine and separate therefrom. The device includes a pair of driven rotatable rollers for frictionally engaging and advancing an item of stationery so that the leading edge thereof extends forwardly and out of the housing, said rollers being rotated during part of each cycle of operations of said device and being stationery and out of frictional engagement with said item of stationery during a subsequent part of each cycle of operations, thereby removing frictional drag on said item of stationery when it is engaged by and drawn into said machine.
    Type: Grant
    Filed: April 18, 1978
    Date of Patent: August 12, 1980
    Assignee: Hafotu Pty. Limited
    Inventors: Joseph S. Varady, Robert C. Knights