Patents by Inventor Richard C. Croll

Richard C. Croll 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).

  • Ribbon cartridge comprising a stuffer box intermediate a supply reel and take-up reel
    Patent number: 4467976
    Abstract: A ribbon cartridge comprising a cartridge housing having take-up and supply reels rotatably mounted in the housing; each reel supports a portion of a ribbon web running in a path from the supply to the take-up reel in combination with a ribbon stuffer box disposed along the path of the ribbon between the supply and take-up reel whereby the ribbon running between these two reels passes through the stuffer box.
    Type: Grant
    Filed: October 4, 1982
    Date of Patent: August 28, 1984
    Assignee: International Business Machines Corporation
    Inventors: Francis W. Bogaczyk, Richard C. Croll, Billy D. Purcell, Edward E. Toutant