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US Patent: 374,664
Road Engine
Patentee:
Robert M. Downie (exact or similar names) - New Brighton, Beaver County, PA

USPTO Classifications:
180/303, 180/76, 301/45, 475/252

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

Assignees:
None

Manufacturer:
Not known to have been produced

Witnesses:
Unknown
Patent Dates:
Applied: Jul. 16, 1887
Granted: Dec. 13, 1887

Patent Pictures:
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