Granted Patent
Utility
US 4,644,142 · App. 06/795,673
Modular universal postage meter
Inventor:
Ward J. Payn
Patented Case
View Patent ↗
Granted: Feb 17, 1987
Filed: Nov 6, 1985
Inventor
Ward J. Payn
Assignee (at issue)
F.M.E. 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.