Photography and optical equipment – Optical article not elsewhere specified – Lens or objective
Patent
1996-03-12
1997-07-22
Coles, Doris V.
Photography and optical equipment
Optical article not elsewhere specified
Lens or objective
1605
Patent
active
D03813479
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patent: 5416549 (1995-05-01), Katsuyama et al.
patent: 5455650 (1995-10-01), Fujiwara
Canon Kabushiki Kaisha
Coles Doris V.
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