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US Patent: 191,640
Improvement in sandpapering-machines
Patentee:
Jacob P. Beck - Lock Haven, PA

USPTO Classifications:
144/118, 144/119.1, 451/262, 451/267, 451/411

Tool Categories:
woodworking machines : sanding machines

Assignees:
Gravenstine Kintzing - Lock Haven, PA
Carrie V. Richards - Lock Haven, PA

Manufacturer:
Not known to have been produced

Witnesses:
Unknown

Patent Dates:
Applied: Apr. 24, 1877
Granted: Jun. 05, 1877

Patent Pictures:
USPTO pdf tiff
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