Photography and optical equipment – Ophthalmic article
Patent
1987-09-24
1990-08-28
Dunkins, Bruce W.
Photography and optical equipment
Ophthalmic article
D16112
Patent
active
D03102270
REFERENCES:
patent: D141029 (1945-04-01), Splaine
patent: D150478 (1948-08-01), Stangl
patent: D215575 (1969-10-01), Huggins
patent: D223296 (1972-04-01), Lee
patent: 1337036 (1920-04-01), Bergmann
patent: 1809956 (1931-06-01), Wrenshall
patent: 2613354 (1952-10-01), Kidzus et al.
patent: 2614255 (1952-10-01), Ellis
patent: 2642568 (1953-06-01), Stewart
Dunkins Bruce W.
Heflin Clare E.
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