Granted Patent
Utility
US 5,222,200 · App. 07/818,311
Automatic printer data stream language determination
Inventors:
David B. Callister, James D. Lewis, Mark Lane Mayberry, Stephen R. Troyer, James Francis Webb
Patented Case
View Patent ↗
Granted: Jun 22, 1993
Filed: Jan 8, 1992
Inventors
David B. Callister
James D. Lewis
Mark Lane Mayberry
Stephen R. Troyer
James Francis Webb
Assignee (at issue)
Lexmark International, Inc.
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.