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US Patent: 7,627X
Grooving machine
Patentee:
David D. Hanson - Ware, NH

USPTO Classifications:

Tool Categories:
woodworking machines : cutter head machines : wood shapers

Assignees:
None

Manufacturer:
Not known to have been produced

Witnesses:
A. Woifford
Albery Cady

Patent Dates:
Granted: Jun. 29, 1833

Patent Pictures:
USPTO pdf tiff
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Description:
This is the earliest known U.S. patent for a spindle shaper.

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