Photography and optical equipment – Projector or viewer – Integrated unit
Patent
1991-10-04
1993-08-31
Ansher, Bernard
Photography and optical equipment
Projector or viewer
Integrated unit
Patent
active
D03389030
REFERENCES:
patent: D169369 (1953-04-01), Forrester
patent: D223054 (1972-03-01), Kinsinger
patent: D226683 (1973-04-01), Helgesson
patent: D291321 (1987-08-01), Kojima
patent: D325729 (1992-04-01), Forsythe et al.
patent: D329247 (1992-09-01), Westoby et al.
patent: 3898004 (1975-08-01), Tiger
Minolta Catalog, 1986, p. 2.
Ansher Bernard
Aronovich Adir
Canon Kabushiki Kaisha
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