Granted Patent
Utility
US 6,234,526 · App. 09/406,589
Head impact protection using fluid viscosity
Inventors:
Seung Jae Song, Eugene M. Schoenherr, Stephen P. Gierak
Patented Case
View Patent ↗
Granted: May 22, 2001
Filed: Sep 27, 1999
Inventors
Seung Jae Song
Eugene M. Schoenherr
Stephen P. Gierak
Assignee (at issue)
Daimlerchrysler AG
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.