Patents by Inventor Donald J. Watters

Donald J. Watters 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: 6714228
    Abstract: An ink cartridge includes a housing, an ink ribbon (120), spools (50, 60) for holding the ribbon, and spindles (70, 72, 90, 92) received within openings of the spools. The housing has semi-cylindrical sections (10, 12) which receive the spools. The housing further includes c-shaped sideplates (24, 26, 34, 36) with openings for each spindle. The c-shaped sideplates selectively expand to receive the spindles and retain the spindles in position.
    Type: Grant
    Filed: November 27, 2001
    Date of Patent: March 30, 2004
    Assignee: Nu-kote International, Inc.
    Inventors: Carl William Holland, Donald J. Watters
  • Patent number: 6659664
    Abstract: An ink cartridge has a pair of sideplates (14, 16) which connect a first portion (10) of the housing to a second portion (12). The sideplates expand to allow spindles (70, 72, 90, 92) and spools (50, 60) to be installed within openings of the housing. The sideplates are spaced apart and are generally parallel to each other. The sideplates are pulled in opposing directions from a first dimension between the sideplates to a second dimension slightly greater than the first dimension.
    Type: Grant
    Filed: November 27, 2001
    Date of Patent: December 9, 2003
    Assignee: Nu-kote International, Inc.
    Inventors: Carl William Holland, Donald J. Watters
  • Patent number: 4569609
    Abstract: A multi-strike (typewriter) ribbon comprising a web of synthetic resinous material having top and bottom surfaces with an ink coating on the top surface of the web and a back layer on the bottom surface of the web, the back layer providing a clean, frictional surface which provides good contact with the drive apparatus which drives the printing ribbon as it performs a printing function.
    Type: Grant
    Filed: July 13, 1984
    Date of Patent: February 11, 1986
    Assignee: Burroughs Corporation
    Inventors: Donald E. Snyder, Jr., Donald J. Watters, Frank M. Palermiti