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US Patent: 2,247,479
Honing machine
Patentee:
Harry J. Caldwell (exact or similar names) - Rockford, IL

USPTO Classifications:
173/152, 451/153, 91/275, 91/304, 91/448

Tool Categories:
metalworking machines : honing machines

Assignees:
Barnes Drill Co. - Rockford, IL

Manufacturer:
Barnes Drill Co. - Rockford, IL

Witnesses:
Unknown
Patent Dates:
Applied: Apr. 13, 1939
Granted: Jul. 01, 1941

Patent Pictures:
USPTO (New site tip)
Google Patents
Report data errors or omissions to steward Jeff Joslin
Vintage Machinery entry for Barnes Drill Co.

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