Granted Patent
Utility
US 5,898,950 · App. 08/978,671
Protective helmet
Inventors:
Evangelos Spyrou, Jean-Bernard Jouthe, Eric Fournier
Patented Case
View Patent ↗
Granted: May 4, 1999
Filed: Nov 26, 1997
Inventors
Evangelos Spyrou
Jean-Bernard Jouthe
Eric Fournier
Assignee (at issue)
SPORT MASKA INC.
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.