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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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