Photography and optical equipment – Ophthalmic article
Patent
1988-01-25
1990-07-10
Holtje, Nelson C.
Photography and optical equipment
Ophthalmic article
D16104, D16116, D16127
Patent
active
D03091481
REFERENCES:
patent: D133270 (1942-08-01), Collins
patent: D150639 (1948-08-01), McNeill
patent: D164146 (1951-07-01), Wright
patent: D285801 (1986-09-01), Looney
patent: 2557414 (1951-06-01), Coull
patent: 3009163 (1961-11-01), Beauvais
Restaurants & Institutions, 4-15-81, p. 5, McDonald's Rest. Logo, top right.
Heflin Clare E.
Holtje Nelson C.
Ingman John F.
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