Granted Patent
Utility
US 5,871,287 · App. 08/542,372
Extended ribbon life for improved bar code printing
Inventors:
Robert Edward Boyanowski, Michael Robert Brechko, Ho Chong Lee, Jack Louis Zable
Patented Case
View Patent ↗
Granted: Feb 16, 1999
Filed: Oct 12, 1995
Inventors
Robert Edward Boyanowski
Michael Robert Brechko
Ho Chong Lee
Jack Louis Zable
Assignee (at issue)
International Business Machines Corporation
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.