Patents by Inventor Susan M. Hammill

Susan M. Hammill 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).

  • End of ribbon indicator for a cassette
    Patent number: 5807001
    Abstract: A cassette with an end of ribbon indicator or mark in accordance with the present invention includes a spool for storing the useable ribbon, a pair of end hubs, and at least one end of ribbon mark. One of the end hubs is connected to each end of the spool. Each of the end hubs has an inner surface facing the spool which includes the end of ribbon mark. The mark indicates how much usable ribbon is left on the spool. Preferably, the marks comprise a plurality of concentric rings centered around an axis extending along the length of the center of the spool.
    Type: Grant
    Filed: April 14, 1997
    Date of Patent: September 15, 1998
    Assignee: IIMAK
    Inventors: Susan M. Hammill, Mark J. Poydock
  • Cassette for thermal transfer ribbons
    Patent number: D397142
    Type: Grant
    Filed: December 4, 1996
    Date of Patent: August 18, 1998
    Assignee: Iimak
    Inventors: Susan M. Hammill, James Ibarra, James Karlin, Diane M. Kelly, William Montague