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US Patent: 1,268,231
Fluid-power hammer
Patentees:
Edward J. Fritsch - Philadelphia, PA
Ralph W. Nazel - Philadelphia, PA

USPTO Classifications:
60/370, 72/453.18

Tool Categories:
metalworking 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:
USPTO pdf tiff
Google Patents
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"Vintage Machinery" entry for Nazel Engineering & Machine Works

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