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US Patent: 2,263,680
Drop hammer
Patentees: Reginald P. Fitzgerald (exact or similar names) - Braintree, MA William H. J. Fitzgerald (exact or similar names) - Braintree, MA USPTO Classifications: 72/414, 72/436, 72/437, 72/453.18, 72/456 Tool Categories: metalworking machines : forging machines : drop hammers Assignees: Pneumatic Drop Hammer Co. - Braintree, MA Manufacturer: Not known to have been produced Witnesses: Unknown	Patent Dates: Applied: Jul. 08, 1937 Granted: Nov. 25, 1941 Patent Pictures: USPTO (New site tip) Google Patents Report data errors or omissions to steward Jeff Joslin

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