Granted Patent
Utility
US 4,363,328 · App. 06/204,102
Inhalation exerciser
Inventors:
Victor Poirier, Stanley D. Buczak, Robert Lynch, Thomas R. Salvo
Patented Case
View Patent ↗
Granted: Dec 14, 1982
Filed: Nov 5, 1980
Inventors
Victor Poirier
Stanley D. Buczak
Robert Lynch
Thomas R. Salvo
Assignee (at issue)
Thermo Electron GmbH
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.