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Patent number:
Patent Date:
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
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tiff
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"Vintage Machinery" entry for Nazel Engineering & Machine Works
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