Granted Patent
Utility
US 6,247,859 · App. 08/952,925
Method of printing in which the print head and print ribbon move simultaneously in the same direction
Inventor:
James Christopher Butcher
Patented Case
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Granted: Jun 19, 2001
Filed: Mar 20, 1998
Inventor
James Christopher Butcher
Assignee (at issue)
Markem Technologies Limited
This patent predates the USPTO's electronic file wrapper — prosecution documents from this era exist only in the Patent Office's paper records. A certified copy of the file history can be ordered from the USPTO's paper archives.