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US Patent: 217,570
Boiler Flue Cleaner
Patentees: James Aitchison (exact or similar names) - Cleveland, OH John F. Doolittle (exact or similar names) - Cleveland, OH USPTO Classifications: 15/406 Tool Categories: industrial tools : flue cleaners Assignees: None Manufacturer: Aitchison & Doolittle - Cleveland, OH Witnesses: Unknown	Patent Dates: Applied: May 26, 1879 Granted: Jul. 15, 1879 Patent Pictures: [ 1 | 2 | 3 ] USPTO (New site tip) Google Patents Report data errors or omissions to steward Joel Havens "Vintage Machinery" entry for James Aitchison

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