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US Patent: 1,084,707
Fluid-power hammer
Patentees:
Ralph E. Bates (exact or similar names) - Philadelphia, PA
John Nazel (exact or similar names) - Philadelphia, PA

USPTO Classifications:
60/370, 72/453.18

Tool Categories:
metalworking machines : forging machines : drop hammers

Assignees:
John Nazel - Philadelphia, PA

Manufacturer:
Nazel Engineering & Machine Works - Philadelphia, PA

Witnesses:
H. W. Wimer
C. H. Wackenmagel

Patent Dates:
Applied: Dec. 21, 1911
Granted: Jan. 20, 1914

Patent Pictures:
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Vintage Machinery entry for Nazel Engineering & Machine Works

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