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US Patent: 451,824
Hydropneumatic Engine
Patentee:
Loui Kessler - Des Moines, Polk County, IA

USPTO Classifications:
60/531

Tool Categories:
propulsion and energy : steam apparatus : steam motors

Assignees:
Loui Kessler - Des Moines, Polk County, IA
Fred Harbach - Des Moines, Polk County, IA

Manufacturer:
Not known to have been produced

Witnesses:
Unknown

Patent Dates:
Applied: Jul. 17, 1890
Granted: May 05, 1891

Patent Pictures:
USPTO pdf tiff
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