Granted Patent
Utility
US 5,423,741 · App. 08/069,017
Apparatus and method for the insufflation of gas into a body cavity
Inventor:
Milton Frank
Patented Case
View Patent ↗
Granted: Jun 13, 1995
Filed: May 28, 1993
Inventor
Milton Frank
Assignee (at issue)
BEI Medical 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.