Photography and optical equipment – Optical article not elsewhere specified – Lens or objective
Patent
1985-12-27
1988-11-29
Holtje, Nelson C.
Photography and optical equipment
Optical article not elsewhere specified
Lens or objective
Patent
active
D02987619
REFERENCES:
patent: D164923 (1951-10-01), Heidecke
patent: D235578 (1975-06-01), Miyake
patent: D247782 (1978-04-01), Blumberg
patent: 2291821 (1942-08-01), McNabb
patent: 3942864 (1976-03-01), Numbers
patent: 4327960 (1982-05-01), Gould
Nakazawa Isao
Yoshida Michio
Canon Kabushiki Kaisha
Holtje Nelson C.
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