Granted Patent
Utility
US 5,397,308 · App. 08/142,498
Balloon inflation measurement apparatus
Inventors:
Louis Ellis, Roger Hastings, Ling Shang
Patented Case
View Patent ↗
Granted: Mar 14, 1995
Filed: Oct 22, 1993
Inventors
Louis Ellis
Roger Hastings
Ling Shang
Assignee (at issue)
Scimed Life 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.