Granted Patent
Utility
US 4,636,097 · App. 06/356,077
Replaceable inking cartridge with depletion counter
Inventor:
Donald E. Goubeaux
Patented Case
View Patent ↗
Granted: Jan 13, 1987
Filed: Mar 8, 1982
Inventor
Donald E. Goubeaux
Assignee (at issue)
Monarch Marking Systems, 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.