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US Patent: 1,698,685
Abrasive Wheel
Patentee:
Henry K. Spencer (exact or similar names) - Winchester, Middlesex County, MA

USPTO Classifications:
451/548

Tool Categories:
metalworking machines : grinders : grinder wheels

Assignees:
Blanchard Machine Co. - Cambridge, Middlesex County, MA

Manufacturer:
Not known to have been produced

Witnesses:
Unknown

Patent Dates:
Applied: Nov. 27, 1925
Granted: Jan. 08, 1929

Patent Pictures:
USPTO (New site tip)
Google Patents
Report data errors or omissions to steward Joel Havens
"Vintage Machinery" entry for Blanchard Machine Co.

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