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US Patent: 1,268,231
Fluid-power hammer
Patentees:
Ralph W. Nazel (exact or similar names) - Philadelphia, PA
Edward J. Fritsch (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:
Unknown

Patent Dates:
Applied: Dec. 26, 1916
Granted: Jun. 04, 1918

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

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