Granted Patent
Utility
US 5,697,364 · App. 08/480,353
Intermittent gas-insufflation apparatus
Inventors:
James Chua, Peter W. Salter, Francis J. Kelly, Robert Toshiaki Wada, Roy Yasuo Fujimoto
Patented Case
View Patent ↗
Granted: Dec 16, 1997
Filed: Jun 7, 1995
Inventors
James Chua
Peter W. Salter
Francis J. Kelly
Robert Toshiaki Wada
Roy Yasuo Fujimoto
Assignee (at issue)
Salter Labs
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.