Camera knob or similar article

Details Camera knob or similar article Camera knob or similar article

1977-04-14

1979-06-26

Burke, Wallace R.

Photography and optical equipment

Projector or viewer

With provision for transparency magazine

D 8312, D1601, D0806

Patent

active

D02522080

REFERENCES:
patent: D141955 (1945-08-01), De Vry
patent: D173885 (1955-01-01), Slate
patent: D186422 (1959-10-01), Kohler
patent: D191236 (1961-08-01), Bonisch
patent: 2647962 (1953-08-01), Batcheller
Photographic Trade News-Master Buying Guide & Directory, 1976, vol. 39, p. F7, Minolta XL-400.

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