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US Patent: 2,200,458
Focusing Illuminating Attachment for Photographic Flash Guns
Patentee:
Oscar Steiner (exact or similar names) - Irondequoit, Monroe County, NY

USPTO Classifications:
362/5, 362/7

Tool Categories:
photographic apparatus : cameras : focusing attachments

Assignees:
Folmer Graflex Corp. - Rochester, Monroe County, NY

Manufacturer:
Not known to have been produced

Witnesses:
Unknown
Patent Dates:
Applied: Jun. 21, 1938
Granted: May 14, 1940

Patent Pictures:
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