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CA Patent: CA-9,096
Improvements on emery wheels
Patentee: Gilbert Hart (exact or similar names) - Detroit, MI USPTO Classifications: Tool Categories: industrial tools : grinding wheels metalworking machines : grinders : sharpening machines : grinding wheels Assignees: None Manufacturer: Hart Emery Wheel Co., Ltd. - Hamilton, ON Canada Witnesses: Unknown	Patent Dates: Granted: Aug. 06, 1878 Patent Pictures: CIPO Data Report data errors or omissions to steward Jeff Joslin Vintage Machinery entry for Hart Emery Wheel Co.
Description: This patent appears to be, roughly, the Canadian equivalent of US patent 226,066, which dates from nearly two years later.

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