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Low profile concrete road barrier
(United States. Patent and Trademark Office, 1992-10-20)
A low profile road barrier that minimizes obstruction to vision and the ramping and rolling of automobiles which may be comprised of one or more interconnected concrete barrier segments stationed along the road or cast in ...
Guardrail extruder terminal
(United States. Patent and Trademark Office, 1992-01-07)
A guardrail extruder terminal for flattening a folded or W-beam guardrail and bending the guardrail to dissipate the energy of a vehicle impacting the end of the guardrail includes a feeder chute. The feeder chute is ...