Granted Patent
Utility
US 5,921,689 · App. 08/913,532
Method of calibrating a ribbon winding mechanism for a printing apparatus
Inventors:
Steven Buckby, Keith Buxton
Patented Case
View Patent ↗
Granted: Jul 13, 1999
Filed: Nov 13, 1997
Inventors
Steven Buckby
Keith Buxton
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.