Photography and optical equipment – Optical article not elsewhere specified – Lens or objective
Patent
1997-09-10
1998-10-13
Mortimer, Paula A.
Photography and optical equipment
Optical article not elsewhere specified
Lens or objective
1606
Patent
active
D03995151
REFERENCES:
patent: D135421 (1943-04-01), Austin
patent: D363300 (1995-10-01), Schwartz
patent: 4944574 (1990-07-01), Roote et al.
patent: 5050963 (1991-09-01), Murakami
patent: 5193032 (1993-03-01), Hirth
patent: 5426533 (1995-06-01), Wallace
Edmunds Scientific Summer Catalogue 1983 p. 20, 1983.
Li Kwong Industrial Co.
Mortimer Paula A.
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