Durable retroreflective elements

Details Durable retroreflective elements Durable retroreflective elements

1998-03-02

1999-06-29

Phan, James

Optical: systems and elements

Signal reflector

Including a curved refracting surface

359536, 359542, 359900, 427422, 427452, 427453, G02B 5126

Patent

active

059176520

ABSTRACT:
All-ceramic retroreflective elements which may be used in pavement markings comprising an opacified ceramic core and ceramic optical elements partially embedded into the core.

REFERENCES:
patent: 5822120 (1998-10-01), Palazzotto et al.

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