Optics: eye examining – vision testing and correcting – Spectacles and eyeglasses – Shooting type
Patent
1990-09-05
1992-12-22
Dzierzynski, Paul M.
Optics: eye examining, vision testing and correcting
Spectacles and eyeglasses
Shooting type
351158, 2423, G02C 700
Patent
active
051737213
ABSTRACT:
An optical aid for use by competitors in target shooting comprises a flexible metallic tube attached at one end to a pair of ear defenders worn by the competitor and having at the other end a monocular device that can be positioned in front of the competitor's non-sighting eye for viewing the target between shots.
REFERENCES:
patent: 3510204 (1970-05-01), Jack
patent: 4190322 (1980-02-01), Wortley
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