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US Patent: 837,519
Power Hammer
Patentees:
George H. Tolley - Denver, Denver County, CO
William G. Simcock - Denver, Denver County, CO

USPTO Classifications:
72/434, 72/441, 72/446, 74/582

Tool Categories:
metalworking machines : forging machines : power hammers

Assignees:
None

Manufacturer:
Not known to have been produced

Witnesses:
Unknown

Patent Dates:
Applied: May 03, 1906
Granted: Dec. 04, 1906

Patent Pictures:
USPTO pdf tiff
Google Patents
Report data errors or omissions
"Vintage Machinery" entry for George Bignell Power Hammer and General Mfg. Co.

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