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CA Patent: CA-102,411
Grinding wheel
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:
Canadian Hart Wheels, Ltd. - Hamilton, ON Canada
Canadian Hart Corundum Wheel Co.. - Hamilton, ON Canada
Detroit Emery Wheel Co. - Detroit, MI

Witnesses:
Unknown
Patent Dates:
Applied: Jul. 03, 1906
Granted: Dec. 04, 1906

Patent Pictures:
CIPO Data
Report data errors or omissions to steward Jeff Joslin
Vintage Machinery entry for Detroit Emery Wheel Co.

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