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NX Patent: NX-3,856
Machine for boring holes in chairs
Patentee:
David Johnson - Richmond, OH

USPTO Classifications:

Tool Categories:
metalworking machines : drilling and boring
woodworking machines : wood drilling and boring

Assignees:
None

Manufacturer:
Not known to have been produced

Witnesses:
Unknown

Patent Dates:
Granted: Sep. 19, 1823

Patent Pictures:
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X-Patents
Description:
NX series patents are X-patents that do not have numbers. They have been arbitrarily assigned NX numbers to allow them to be entered into DATAMP.

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