Granted Patent
Utility
US 4,743,129 · App. 06/796,028
Passbook printer
Inventors:
Alain Keryhuel, Pierre Dupuis
Patented Case
View Patent ↗
Granted: May 10, 1988
Filed: Oct 25, 1985
Inventors
Alain Keryhuel
Pierre Dupuis
Assignee (at issue)
Unisys 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.