1989-09-11
1991-01-22
Henry, Jon W.
350549, 350555, G02B 2318
Patent
active
049866443
ABSTRACT:
A pair of wearable binoculars with dual functions of adjusting focus and eye relief, capable of adjusting the focus for a single eye separately, and suitable for leisure purposes such as watching plays or games.
REFERENCES:
patent: 2024322 (1935-12-01), Wittig
patent: 2625855 (1953-01-01), Gaylor
patent: 3266367 (1966-08-01), Dowling et al.
patent: 3414347 (1968-12-01), Stoltze
patent: 4013341 (1977-03-01), Riley
patent: 4284325 (1981-08-01), Ishibai et al.
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