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CA Patent: CA-6,665
Steam cylinder lubricator
Patentee:
Elijah McCoy - Ionia, MI

USPTO Classifications:

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:
Unknown

Patent Dates:
Granted: Oct. 19, 1876

Patent Pictures:
CIPO Data
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"Vintage Machinery" entry for Geo. S. Woodruff
Wikipedia biography of Elijah McCoy
Description:
This is the Canadian equivalent of U.S. patent 179,585. Co-assignee George S. Woodruff would eventually move to Toronto and manufacture gas governors there. 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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