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US Patent: 2,940,197
Slide Changing Attachment
Patentee:
Thomas D. Jogensen (exact or similar names) - Fairport, Monroe County, NY

USPTO Classifications:
353/115, 353/116, 353/118

Tool Categories:
photographic apparatus : projectors

Assignees:
Graflex, Inc. - Rochester, Monroe County, NY

Manufacturer:
Not known to have been produced

Witnesses:
Unknown
Patent Dates:
Applied: Aug. 19, 1957
Granted: Jun. 14, 1960

Patent Pictures:
USPTO (New site tip)
Google Patents
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