Granted Patent
Utility
US 5,638,551 · App. 08/435,154
Helmet including a device for fixing the helmet to the occipital portion of a user's head
Inventor:
Jean-Luc Lallemand
Patented Case
View Patent ↗
Granted: Jun 17, 1997
Filed: May 5, 1995
Inventor
Jean-Luc Lallemand
Assignee (at issue)
Societe a Responsabilite Limitee Dite Overforing
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.