Granted Patent
Utility
US 4,737,077 · App. 07/095,499
Profiled blade of a fan and its application in motor-driven ventilating devices
Inventor:
Jean-Claude Vera
Patented Case
View Patent ↗
Granted: Apr 12, 1988
Filed: Sep 11, 1987
Inventor
Jean-Claude Vera
Assignee (at issue)
Aciers Et Outillage Peugeot
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.