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US Patent: 82,786
Improved gas-machine
Patentee: N. W. Bancroft (exact or similar names) - Worcester, MA USPTO Classifications: 261/143, 261/30 Tool Categories: Assignees: None Manufacturer: Not known to have been produced Witnesses: J. McKenney W. C. Dodge	Patent Dates: Granted: Oct. 06, 1868 Patent Pictures: USPTO (New site tip) Google Patents Report data errors or omissions to steward Jeff Joslin Vintage Machinery entry for W. F. Bancroft & Co.

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