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US Patent: 2,160,393
Pressure Vessel of the Boiler Type and Method for Producing Same
Patentee:
George M. Trefts, III (exact or similar names) - East Aurora, NY

USPTO Classifications:
122/493, 29/890.051, 29/890.06

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

Assignees:
None

Manufacturer:
Not known to have been produced

Witnesses:
Unknown
Patent Dates:
Applied: Nov. 16, 1936
Granted: May 30, 1939

Patent Pictures:
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