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US Patent: 385,540
Power Hammer
Patentee:
Herman J. Bierhart - Syracuse, Onondaga County, NY

USPTO Classifications:
72/481.6

Tool Categories:
metalworking machines : drop hammers

Assignees:
Christopher C. Bradley - Syracuse, Onondaga County, NY

Manufacturer:
C. C. Bradley & Son, Inc. - Syracuse, Onondaga County, NY

Witnesses:
John J. Lynch
James Cahill
Theodore L. Popp
George J. Buchheit, Jr.

Patent Dates:
Applied: Jan. 19, 1887
Granted: Jul. 03, 1888

Patent Pictures:
USPTO pdf tiff
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"Vintage Machinery" entry for C. C. Bradley & Son, Inc.
Description:
Wilhelm Bonner, Patent Attorney

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