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US Patent: 2,247,494
Flame hardening apparatus
Patentee:
Albert L. Hartley (exact or similar names) - Cincinnati, OH

USPTO Classifications:
239/132.3, 239/558, 266/125, 266/130

Tool Categories:
specialty machines : flame hardening machines

Assignees:
R. K. LeBlond Machine Tool Co. - Cincinnati, OH

Manufacturer:
R. K. LeBlond Machine Tool Co. - Cincinnati, OH

Witnesses:
Unknown
Patent Dates:
Applied: Jun. 18, 1940
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 R. K. LeBlond Machine Tool Co.

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