Road structure – process – or apparatus – Traffic director – Vibration inducing member
Patent
1977-04-28
1978-11-28
Byers, Jr., Nile C.
Road structure, process, or apparatus
Traffic director
Vibration inducing member
350 97, E01F 904
Patent
active
041273486
ABSTRACT:
The body of a road stud has oppositely directed presented faces each of which includes a central portion in which reflective elements are disposed and outer protective skirt portions which are inclined to the horizontal at a smaller acute angle than the central portion and project outwardly beyond the central portion.
REFERENCES:
patent: 1927756 (1933-09-01), Ross
patent: 2260498 (1941-10-01), Wise
patent: 2703038 (1955-03-01), Shaw
patent: 3093038 (1965-06-01), McRobbie
patent: 3516337 (1970-06-01), Gubela
patent: 3975108 (1976-08-01), Suhr
Byers Jr. Nile C.
Indigrade Limited
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