Granted Patent
Utility
US 5,978,972 · App. 08/872,675
Helmet system including at least three accelerometers and mass memory and method for recording in real-time orthogonal acceleration data of a head
Inventors:
Walter Stewart, Nicholas Jones, Wolfger Schneider
Patented Case
View Patent ↗
Granted: Nov 9, 1999
Filed: Jun 11, 1997
Inventors
Walter Stewart
Nicholas Jones
Wolfger Schneider
Assignee (at issue)
The Johns Hopkins University
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.