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US Patent: 2,461,734
Flame hardening apparatus
Patentees: Adolph H. Davis (exact or similar names) - Cincinnati, OH Albert L. Hartley (exact or similar names) - Cincinnati, OH USPTO Classifications: 266/121, 266/126, 266/127 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. 19, 1945 Granted: Feb. 15, 1949 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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