Photography and optical equipment – Projector or viewer – Integrated unit
Patent
1986-06-06
1989-10-17
Feifer, Melvin B.
Photography and optical equipment
Projector or viewer
Integrated unit
D16225
Patent
active
D03040372
REFERENCES:
patent: D160037 (1950-09-01), Van Alstyne
patent: D210916 (1968-04-01), Scott
patent: D289660 (1987-05-01), Geissler
patent: 3704054 (1972-10-01), Robak
Honk Kong Enterprise-11/85 Catalog, p. 70; (all items).
German Design MR. 11 539 of Nov. 18, 1978; German Design MR. 13 061 of Sep. 7, 1982; German Design MR. 13 828 of Mar. 30, 1984; German Design MR. 14 068 of Oct. 8, 1984.
Feifer Melvin B.
Krawczewicz W.
OSRAM Gesellschaft mit beschraenkter Haftung
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