Patent
1981-02-17
1983-11-22
Rosenberger, R. A.
G02B 5128
Patent
active
044165102
ABSTRACT:
An improved retroreflective structure designed to be associated to a roadway pavement principally for improving nighttime visibility of traffing regulating signs and areas, formed from selectively dividing a primary calandered and printed material, the structure including interconnected and cooperating retroreflectore arranged for defining said signs and areas.
REFERENCES:
patent: 2243434 (1941-05-01), Menke
patent: 3155764 (1964-11-01), Gill
patent: 4069281 (1978-01-01), Eigenmann
patent: 4072403 (1978-02-01), Eigenmann
patent: 4108536 (1978-08-01), Eigenmann
Rosenberger R. A.
Striker Michael J.
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