Granted Patent
Utility
US 5,208,449 · App. 07/756,637
Portable transaction terminal
Inventors:
Jay M. Eastman, John A. Boles
Patented Case
View Patent ↗
Granted: May 4, 1993
Filed: Sep 9, 1991
Inventors
Jay M. Eastman
John A. Boles
Assignee (at issue)
PSC, 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.