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US Patent: 903,306
Lubricator
Patentee:
Elijah McCoy (exact or similar names) - Detroit, Wayne County, MI

USPTO Classifications:
184/104.1, 184/27.1

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

Assignees:
Ypsilanti Lubricator Co. - Ypsilanti, Washtenaw County, MI

Manufacturer:
Not known to have been produced

Witnesses:
Unknown

Patent Dates:
Applied: Mar. 11, 1903
Granted: Nov. 10, 1908

Patent Pictures:
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Wikipedia biography of Elijah McCoy
Description:
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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