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US Patent: 3,145,892
Film Advancing Mechanism for Photographic Projectors
Patentee:
John F. Herrmann (exact or similar names) - Pittsford, Monroe County, NY

USPTO Classifications:
226/134, 226/152, 226/156, 226/37, 226/76

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. 04, 1961
Granted: Aug. 25, 1964

Patent Pictures:
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