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US Patent: 3,476,029
Electrochromic Shutter System
Patentee:
Jay G. Schreckendgust (exact or similar names) - Lima, Livingston County, NY

USPTO Classifications:
359/275, 396/457

Tool Categories:
photographic apparatus : cameras : camera shutters

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

Manufacturer:
Not known to have been produced

Witnesses:
Unknown
Patent Dates:
Applied: Aug. 16, 1967
Granted: Nov. 04, 1969

Patent Pictures:
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