E - Fixed Constructions – 01 – F
Patent
E - Fixed Constructions
01
F
E01F 9/06 (2006.01) E01F 9/04 (2006.01) G02B 5/128 (2006.01)
Patent
CA 2147821
An improved pavement marking sheet material, and a method for making such pavement marking sheet material. The pavement marking sheet material comprises a selected configuration of upright retroreflectors. The upright retroreflectors are arranged in a selected configuration so as to maximize reflectivity as measured at actual observation geometries by allowing light to be incident to effective portions of the retroreflective elements on the upright retroreflectors.
Bradshaw Thomas Ian
Hedblom Thomas P.
Minnesota Mining And Manufacturing Company
Smart & Biggar
LandOfFree
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