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CA Patent: CA-231,124
Anti-skid device
Patentee: Albert John Parkhurst (exact or similar names) - Caledonia, ON Canada USPTO Classifications: Tool Categories: Assignees: Albert John Parkhurst - Caledonia, ON Canada Percy Ford-Smith - Hamilton, ON Canada Manufacturer: Not known to have been produced Witnesses: Unknown	Patent Dates: Granted: May 15, 1923 Patent Pictures: CIPO Data Report data errors or omissions to steward Jeff Joslin "Vintage Machinery" entry for Ford-Smith Machine Co., Ltd.
Description: Assignee Ford-Smith was the founder and managing director of Ford-Smith Machine Co. This invention was also patented in the US: see patent 1,448,859.

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