Granted Patent
Utility
US 5,192,157 · App. 07/710,830
Vehicle crash barrier
Inventor:
John F. LaTurner
Patented Case
View Patent ↗
Granted: Mar 9, 1993
Filed: Jun 5, 1991
Inventor
John F. LaTurner
Assignee (at issue)
ENERGY ABSORPTION SYSTEMS, 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.