Granted Patent
Utility
US 5,597,091 · App. 08/394,993
Safety indicator for an inflation system
Inventors:
Donald Mah, Adrian Post
Patented Case
View Patent ↗
Granted: Jan 28, 1997
Filed: Feb 27, 1995
Inventors
Donald Mah
Adrian Post
Assignee (at issue)
M.E.T.A. Research 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.