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US Patent: 1,390,501
Motor-driven surface-treating machine
Patentee:
Alex A. Clarke - Dallas, TX

USPTO Classifications:
144/117.4, 451/358

Tool Categories:
woodworking machines : sanding machines : drum sanders

Assignees:
None

Manufacturer:
Clarke Sanding Machine Co. - Chicago, IL

Witnesses:
Unknown

Patent Dates:
Applied: Feb. 13, 1920
Granted: Sep. 13, 1921

Patent Pictures:
USPTO pdf tiff
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