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US Patent: 129,843
Improvement in Lubricators for Steam Engines
Patentee:
Elijah McCoy (exact or similar names) - Ypsilanti, MI

USPTO Classifications:
184/51

Tool Categories:
industrial tools : tool lubricators
propulsion and energy : steam engines

Assignees:
Elijah McCoy - Ypsilanti, MI
S. C. Hamlin - Ypsilanti, MI

Manufacturer:
Unknown

Witnesses:
S. M. Cutcheon
W. R. Samson

Patent Dates:
Granted: Jul. 23, 1872

Patent Pictures:
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Wikipedia biography of Elijah McCoy
Description:
This Lubricator was "The Real McCoy". Please see link.

The inventor was born in Canada to fugitive slaves from Kentucky. He moved to Scotland where he was certified as a mechanical engineer, and then rejoined his family who in the meantime had moved to Michigan.

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