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Metal beam rail terminal
(United States. Patent and Trademark Office, 1995-02-21)
The invention features a new and improved safety treatment for rails, such as a highway guardrail or barrier, which through compression of elongated segments of a telescoping terminal dissipates energy from vehicle impacts ...
Collision performance side impact (automobile penetration guard)
(United States. Patent and Trademark Office, 1998-08-11)
Apparatus and methods are described for preventing the penetration of vehicles by narrow objects such as guardrail ends or portions of a guardrail end treatment during a collision. In one embodiment, portions of an ET-2000 ...