Photography and optical equipment – Optical article not elsewhere specified – Lens or objective
Patent
1987-05-11
1990-07-03
Holtje, Nelson C.
Photography and optical equipment
Optical article not elsewhere specified
Lens or objective
Patent
active
D03089797
REFERENCES:
patent: D158964 (1950-06-01), Jonassen
patent: D178984 (1956-10-01), Block
patent: D185225 (1959-05-01), Moeller
patent: D209780 (1968-01-01), Shindler
patent: D211413 (1968-06-01), Mitchell
patent: D214344 (1969-06-01), Shindler
patent: 2714716 (1955-08-01), McLennan
patent: 3011170 (1961-12-01), Lutz
patent: 3237204 (1966-03-01), Honsaker
patent: 3276035 (1966-10-01), Jacobson
Washington Post, Jun. 4, 1972, Sec. k3, Visored Sunglasses in bottom center.
Heflin Clare E.
Holtje Nelson C.
Hovet Kenneth J.
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