Granted Patent
Utility
US 4,901,241 · App. 07/172,693
Debit card postage meter
Inventor:
Thomas Schneck
Patented Case
View Patent ↗
Granted: Feb 13, 1990
Filed: Mar 23, 1988
Inventor
Thomas Schneck
Assignee (at issue)
Drexler Technology 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.