CA Patent: CA-3,499
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Improvements on Lubricators for Steam Engines
Perfectionnements aux Grasseurs de Machines a Vapeur
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Patentees:
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| Elijah McCoy (exact or similar names) - Ypsilanti, Washtenaw County, MI |
| George G. Roby (exact or similar names) - Detroit, Wayne County, MI |
| Charles G. Wiard (exact or similar names) - Detroit, Wayne County, MI |
| Manufacturer: |
| Not known to have been produced |
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Patent Dates:
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| Applied: |
Mar. 18, 1874 |
| Granted: |
May 29, 1874 |
CIPO Data
Espacenet patent
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Joel Havens
Wikipedia biography of Elijah McCoy
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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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