Granted Patent
Utility
US 5,488,948 · App. 08/305,924
Fast donning respiratory protection equipment
Inventors:
Alain Dubruille, Patrick Morvan
Patented Case
View Patent ↗
Granted: Feb 6, 1996
Filed: Sep 16, 1994
Inventors
Alain Dubruille
Patrick Morvan
Assignee (at issue)
Intertechnique
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.