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US Patent: 709,577
Drop-hammer
Patentee:
Leonard D. Howard - St. Johnsbury, VT

USPTO Classifications:
72/434, 72/441, 72/451

Tool Categories:
trade specific : blacksmith

Assignees:
None

Manufacturer:
L. D. Howard - St. Johnsbury, VT

Witnesses:
George A. Miles
Walter P. Smith

Patent Dates:
Applied: May 13, 1902
Granted: Sep. 23, 1902

Patent Pictures:
USPTO pdf tiff
Google Patents
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"Vintage Machinery" entry for L. D. Howard

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