4. Photography
  5. With viewfinder
  6. Selective or adjustable viewfinder field

Stanley Ward Stephenson

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Camera with widthwise pseudo zoom masks and method of exposing a

Photography – With viewfinder – Selective or adjustable viewfinder field
Patent

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Method and apparatus for printing zoomed photographs from negati

Photocopying – Projection printing and copying cameras – Focus or magnification control
Patent

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Rectangular photographic film sheet and camera for use therewith

Photography – Plural image recording – Sequential recording on different areas of a single frame
Patent

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Profile ID: LFUS-PAI-P-900395

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