Granted Patent
Utility
US 5,956,776 · App. 08/980,312
Adjustable helmet having an improved locking mechanism
Inventor:
Daniel Chartrand
Patented Case
View Patent ↗
Granted: Sep 28, 1999
Filed: Nov 28, 1997
Inventor
Daniel Chartrand
Assignee (at issue)
Bauer Associates, 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.