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US Patent: 2,612,868
Pneumatic drop hammer
Patentee: Reginald P. Fitzgerald (exact or similar names) - Braintree, MA USPTO Classifications: 173/127, 72/443, 72/453.18, 91/335, 91/352 Tool Categories: metalworking machines : forging machines : drop hammers Assignees: Pneumatic Drop Hammer Co. - Boston, MA Manufacturer: Not known to have been produced Witnesses: Unknown	Patent Dates: Applied: Mar. 03, 1948 Granted: Oct. 07, 1952 Patent Pictures: USPTO (New site tip) Google Patents Report data errors or omissions to steward Jeff Joslin Vintage Machinery entry for Pneumatic Drop Hammer Co.

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