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US Patent: 642,070
Power-hammer
Patentee: Edward H. Blossom (exact or similar names) - St. Johnsbury, VT USPTO Classifications: 72/441, 72/451 Tool Categories: metalworking machines : forging machines : drop hammers Assignees: Dupont Mfg. Co. - St. Johnsbury, VT Manufacturer: Dupont Mfg. Co. - St. Johnsbury, VT Plessisville Foundry - Plessisville, QC Canada E. & T. Fairbanks & Co. - St. Johnsbury, VT Witnesses: George W. Cree Anna Nash	Patent Dates: Applied: Feb. 26, 1898 Granted: Jan. 30, 1900 Patent Pictures: USPTO (New site tip) Google Patents Report data errors or omissions to steward Jeff Joslin Vintage Machinery entry for E. & T. Fairbanks & Co. Vintage Machinery entry for Plessisville Foundry Vintage Machinery entry for Dupont Mfg. Co.

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