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US Patent: 76,755
Improvement in machines for polishing wood
Spindle sander
Patentee:
G. F. Hammer - Cincinnati, OH

USPTO Classifications:
451/155

Tool Categories:
woodworking machines : sanding machines : spindle sanders : oscillating spindle sanders

Assignees:
None

Manufacturer:
Not known to have been produced

Witnesses:
Emil Koch
August Halstein

Patent Dates:
Granted: Apr. 14, 1868

Patent Pictures:
USPTO pdf tiff
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Description:
This is the earliest patent we have seen for an oscillating spindle sander.

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