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US Patent: 136,101
Improvement in machines for forming cutters for cutting the teeth of wheels
Patentee:
William Sellers - Philadelphia, PA

USPTO Classifications:
82/11.1

Tool Categories:
metalworking machines : gear cutting tools
metalworking tools : machinist tools : gear cutting tools

Assignees:
None

Manufacturer:
Not known to have been produced

Witnesses:
William E. Morgan
William S. Lynn

Patent Dates:
Granted: Feb. 18, 1873

Patent Pictures:
USPTO pdf tiff
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"Vintage Machinery" entry for William Sellers & Co.

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