Alternate projection collating device
United States Patent 2460350
US Patent References:
/0540545.html
- - 0540545

Stereoscopic motion-picture device
- - 1506524

/RE16091.html
- - RE16091

Production of pedigreed negatives
- - 1899032

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- - 2030919


Inventors:
Charlton, Hinman
Publication Date:
02/01/1949
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Assignee:
Charlton, Hinman
Primary Class:
356/393
Other Classes:
356/25, 356/395, 352/133
International Classes:
G02B21/00
US Patent References:
2043522Photographic apparatus for color cinematography
2307202Projecting kaleidoscope device
2365613Optical projection apparatus
2406451Optical means for inspection
Foreign References:
GB512726A
GB550981A