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US Patent: 472,066
Lubricator
Patentee:
Elijah McCoy (exact or similar names) - Detroit, Wayne County, MI

USPTO Classifications:
184/50.1

Tool Categories:
propulsion and energy : steam engines : steam engine lubricators

Assignees:
None

Manufacturer:
Not known to have been produced

Witnesses:
Unknown
Patent Dates:
Applied: Jul. 31, 1890
Granted: Apr. 05, 1892

Patent Pictures:
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