Granted Patent
Utility
US 5,204,094 · App. 07/822,180
Treatment of pneumothorax
Inventors:
Maud Brandely, Christian Boutin
Patented Case
View Patent ↗
Granted: Apr 20, 1993
Filed: Jan 16, 1992
Inventors
Maud Brandely
Christian Boutin
Assignee (at issue)
Roussel Uclaf
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.