Optical: systems and elements – Mirror – With support
Patent
1991-05-09
1991-12-31
Arnold, Bruce Y.
Optical: systems and elements
Mirror
With support
359871, G02B 718
Patent
active
050767011
ABSTRACT:
An optical device for permitting a person to secure an improved rear view mirror to a protective headgear which can be adjusted to variable operative positions spaced in front of his eye.
REFERENCES:
patent: D284462 (1986-07-01), Greenlaw et al.
patent: D286395 (1986-10-01), Greenlaw et al.
patent: 4307885 (1981-12-01), Pidcock
patent: 4490012 (1984-12-01), Magisuke
patent: 4603944 (1986-08-01), Greenlaw et al.
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