Road structure – process – or apparatus – Apparatus – Rotating drum – roller or tire
Patent
1975-06-13
1977-07-12
Corbin, John K.
Road structure, process, or apparatus
Apparatus
Rotating drum, roller or tire
350 97, 404 6, 404 9, G02B 513
Patent
active
040350592
ABSTRACT:
A low-profile raised retroreflective pavement marker that resists loosening and removal from a paved surface comprises a flat dead-soft base sheet and at least one elastically deformable retroreflector attached to one face of the base sheet so as to extend above the base sheet no more than about one centimeter.
REFERENCES:
patent: 3413058 (1968-11-01), Tung et al.
patent: 3584932 (1971-06-01), Terril
patent: 3587415 (1971-06-01), Ergenmann
patent: 3785719 (1974-01-01), Jonnes
Alexander Cruzan
Corbin John K.
de los Reyes B. W.
Minnesota Mining and Manufacturing Company
Sell Donald M.
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