Photography and optical equipment – Optical article not elsewhere specified – Lens or objective
Patent
1989-12-18
1992-01-21
Ansher, Bernard
Photography and optical equipment
Optical article not elsewhere specified
Lens or objective
Patent
active
D03233359
REFERENCES:
patent: D281507 (1985-11-01), Schremmer
patent: D294833 (1988-03-01), Holden
patent: 4964714 (1990-10-01), Weymouth, Jr. et al.
patent: 4976530 (1990-12-01), Mackay et al.
patent: 5000558 (1991-03-01), Blackstone
Optican, Jun. 17, 1988, p. 16, (Spectacles Digest).
Ansher Bernard
Barkai R.
Christian Dalloz SA
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