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US Patent: 76,580
Improvement in steam-generator
Patentee:
John F. Allen (exact or similar names) - Tremont, NY

USPTO Classifications:
122/305, 122/312

Tool Categories:
propulsion and energy : steam apparatus : stationary boilers

Assignees:
None

Manufacturer:
Porter-Allen Engine Co. - New York, NY

Witnesses:
Henry E. Roeder
William Derfer

Patent Dates:
Granted: Apr. 14, 1868

Patent Pictures:
USPTO (New site tip)
Google Patents
Report data errors or omissions to steward Jeff Joslin
Vintage Machinery entry for Porter-Allen Engine Co.

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