Granted Patent
Utility
US 5,404,746 · App. 08/220,755
Post depressurization indicator
Inventor:
Klaus F. Ocker
Patented Case
View Patent ↗
Granted: Apr 11, 1995
Filed: Mar 31, 1994
Inventor
Klaus F. Ocker
Assignee (at issue)
AlliedSignal, 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.