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US Patent: 1,124,393
Mechanical hammer
Hammer powered by flexible shaft
Patentee:
George H. Coates - Worcester, MA

USPTO Classifications:
173/99

Tool Categories:
specialty tools : handheld power tools
woodworking machines : handheld power tools

Assignees:
None

Manufacturer:
Coates Clipper Manufacturing Co - Worcester, MA

Witnesses:
Penelope Comberbach
Nellie Whalen

Patent Dates:
Applied: Mar. 16, 1905
Granted: Jan. 12, 1915

Patent Pictures:
USPTO pdf tiff
Google Patents
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"Vintage Machinery" entry for Coates Clipper Manufacturing Co.

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