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US Patent: 3,212,839
Optical Rectifier
Patentee: Howard K. Graves (exact or similar names) - Fairport, Monroe County, NY USPTO Classifications: 352/109 Tool Categories: photographic apparatus : projectors Assignees: Graflex, Inc. - Rochester, Monroe County, NY Manufacturer: Not known to have been produced Witnesses: Unknown	Patent Dates: Applied: Oct. 29, 1962 Granted: Oct. 19, 1965 Patent Pictures: USPTO (New site tip) Google Patents Report data errors or omissions to steward Joel Havens

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