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US Patent: 3,142,206
Control system for impact device
Patentees: Glenn A. Householder (exact or similar names) - St. Thomas, PA Wilmer W. Hague (exact or similar names) - Fayetteville, PA USPTO Classifications: 72/18.3, 72/2, 72/20.2, 72/443, 72/453.18, 91/2 Tool Categories: metalworking machines : forging machines : drop hammers Assignees: Chambersburg Engineering Co. - Chambersburg, PA Manufacturer: Chambersburg Engineering Co. - Chambersburg, PA Witnesses: Unknown	Patent Dates: Applied: May 15, 1962 Granted: Jul. 28, 1964 Patent Pictures: USPTO (New site tip) Google Patents Report data errors or omissions to steward Jeff Joslin Vintage Machinery entry for Chambersburg Engineering Co.

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