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CA Patent: CA-3,804
Cover for Shaft Couplings Couvre-Embrayage des Arbres
Patentee: John Abell (exact or similar names) - Woodbridge, York County, ON, Canada USPTO Classifications: Tool Categories: industrial machines : industrial machine mechanisms : industrial machine shaft couplings Assignees: None Manufacturer: Not known to have been produced Witnesses: Charles H. Lally Hugh Aird	Patent Dates: Applied: Aug. 13, 1874 Granted: Aug. 31, 1874 Patent Pictures: [ 1 | 2 ] CIPO Data Espacenet patent Report data errors or omissions to steward Joel Havens "Vintage Machinery" entry for John Abell Engine & Machine Works
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