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US Patent: 739,992
Yieldable Pitman for Power Hammers
Patentees:
Frank F. Davidson - Tama, Tama County, IA
George T. Strite - Tama, Tama County, IA

USPTO Classifications:
403/111, 74/581, 74/585

Tool Categories:
metalworking machines : forging machines : power hammers

Assignees:
None

Manufacturer:
Hawkeye Mfg. Co. - Cedar Rapids, Linn County, IA

Witnesses:
Nelson E. Knights
John W. Robinson
J. K. Groat
F. J. Kubrick

Patent Dates:
Applied: May 13, 1902
Granted: Sep. 29, 1903

Patent Pictures: [ 1 | 2 | 3 ]
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