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US Patent: 2,817,827
Electrical connector Reversing mechanism for impact wrench
Patentee: Harold H. Burkhardt (exact or similar names) - Greenfield, MA USPTO Classifications: 439/819 Tool Categories: Assignees: Millers Falls Co. - Greenfield, MA Manufacturer: Not known to have been produced Witnesses: Unknown	Patent Dates: Applied: Feb. 28, 1952 Granted: Dec. 24, 1957 Patent Pictures: USPTO (New site tip) Google Patents Report data errors or omissions to steward Jeff Joslin Vintage Machinery entry for Millers Falls Co. Randy Roeder's Millers Falls Co. site

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