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US Patent: 221,265
Portable Engine
Patentees:
Joseph Allonas, deceased (Estate of) - Mansfield, Richland County, OH
M. D. Harter, Executor - Mansfield, Richland County, OH

USPTO Classifications:
180/36

Tool Categories:
propulsion and energy : steam apparatus : portable steam engines

Assignees:
None

Manufacturer:
Not known to have been produced

Witnesses:
Unknown

Patent Dates:
Applied: Sep. 21, 1878
Granted: Nov. 04, 1879

Patent Pictures:
USPTO pdf tiff
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