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US Patent: 1,121,671
Grinding attachment for hand drills
Patentee:
George H. Sawyer - Port Allegany, PA

USPTO Classifications:
16/DIG.23, 433/135, 433/166, 451/342, 451/541

Tool Categories:
woodworking machines : handheld power tools : handheld power tool accessories

Assignees:
None

Manufacturer:
Not known to have been produced

Witnesses:
G. H. Gentzer
C. W. Catlin

Patent Dates:
Applied: Mar. 28, 1914
Granted: Dec. 22, 1914

Patent Pictures:
USPTO pdf tiff
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Description:
First attachment patent?

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