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US Patent: 821,546
Multiple Cylinder Engine
Patentee:
Harry E. Smallbone (exact or similar names) - Chicago, Cook County, IL

USPTO Classifications:
123/182.1, 123/345, 123/56.4, 123/85, 200/19.13, 92/189

Tool Categories:
propulsion and energy : axial internal combustion engines

Assignees:
None

Manufacturer:
Not known to have been produced

Witnesses:
Unknown

Patent Dates:
Applied: Apr. 10, 1905
Granted: May 22, 1906

Patent Pictures:
USPTO (New site tip)
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