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US Patent: 434,561
Steam Engine
Patentee:
Dexter D. Hardy (exact or similar names) - Lake View, Cook County, IL

USPTO Classifications:
123/55.5, 74/44, 91/321, 91/349, 91/354, 92/138

Tool Categories:
propulsion and energy : steam engines

Assignees:
Hardy High Speed Engine Co. - Chicago, Cook County, IL

Manufacturer:
Not known to have been produced

Witnesses:
Unknown
Patent Dates:
Applied: Jan. 12, 1889
Granted: Aug. 19, 1890

Patent Pictures:
USPTO (New site tip)
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