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US Patent: 2,619,072
Drop hammer control
Patentees:
Eugene C. Clarke, Jr. - Chambersburg, PA
Paul A. Rickrode - Chambersburg, PA

USPTO Classifications:
173/115, 72/441, 91/172, 91/40, 91/461

Tool Categories:
metalworking machines : forging machines : drop hammers

Assignees:
Chambersburg Engineering Co. - Chambersburg, PA

Manufacturer:
Chambersburg Engineering Co. - Chambersburg, PA

Witnesses:
Unknown

Patent Dates:
Applied: Jul. 25, 1949
Granted: Nov. 25, 1952

Patent Pictures:
USPTO pdf tiff
Google Patents
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"Vintage Machinery" entry for Chambersburg Engineering Co.

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