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US Patent: 179,585
Improvement in steam-cylinder lubricators
Patentee:
Elijah McCoy - Ionia, MI

USPTO Classifications:
184/51

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

Assignees:
George Smith Woodruff - Grand Rapids, MI
Ransom C. Luce - Grand Rapids, MI

Manufacturer:
George S. Woodruff - Toronto, ON Canada

Witnesses:
George S. Woodruff
Omar H. Simonds

Patent Dates:
Granted: Jul. 04, 1876

Patent Pictures:
USPTO pdf tiff
Google Patents
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"Vintage Machinery" entry for Geo. S. Woodruff
Wikipedia biography of Elijah McCoy
Description:
Improvements to the inventor's patent 173,032.

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