Enhanced guardrail

Details Enhanced guardrail Enhanced guardrail

2006-03-28

2006-03-28

Hartmann, Gary S. (Department: 3671)

Road structure, process, or apparatus

Traffic steering device or barrier

C404S009000, C040S447000, C040S606010, C040S606140, C256S001000

Reexamination Certificate

active

07018129

ABSTRACT:
A guardrail comprising a rail and an electronic display mounted on the rail. The display may be integrated with a bar code or RFID reader and a voice-recognition module.

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