Patents by Inventor Louann B. Samuels

Louann B. Samuels 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).

  • Stuffed chamber ribbon cartridge
    Patent number: 4840503
    Abstract: A fabric ribbon (13) is stuffed in a cartridge chamber (11). Two pinch rollers (35 and 39) are driven by a third roller (29). The direction for forces from the pinch rollers is toward a wall portion (9a), which is near an opening having a dam (ridge 67) which leads to chamber (74) have an exit slot (71) located near the wall portion (9a). The drive roller (29) is positioned to be located where the drive roller of an existing cartridge was located, making this cartridge interchangeable with a cartridge for a spool-to-spool ribbon.
    Type: Grant
    Filed: March 31, 1988
    Date of Patent: June 20, 1989
    Assignee: International Business Machine Corporation
    Inventors: Sheldon D. Roberts, Louann B. Samuels, David T. Shadwick