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US Patent: 513,326
Power-hammer
Patentee:
Leonard D. Howard (exact or similar names) - St. Johnsbury, VT

USPTO Classifications:
74/44

Tool Categories:
metalworking machines : forging machines : drop hammers

Assignees:
None

Manufacturer:
E. & T. Fairbanks & Co. - St. Johnsbury, VT
Dupont Mfg. Co. - St. Johnsbury, VT
L. D. Howard - St. Johnsbury, VT

Witnesses:
Albert Howe
C. H. Jones

Patent Dates:
Applied: Mar. 16, 1892
Granted: Jan. 23, 1894

Patent Pictures:
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Google Patents
Report data errors or omissions to steward Jeff Joslin
Vintage Machinery entry for L. D. Howard
Vintage Machinery entry for E. & T. Fairbanks & Co.
Vintage Machinery entry for Dupont Mfg. Co.

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