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US Patent: 366,205
Combined Screw Driver and Awl
Patentee:
William Cronk (exact or similar names) - Havana, NY

USPTO Classifications:
7/165, 7/168

Tool Categories:
screwdrivers
combination tools

Assignees:
None

Manufacturer:
Not known to have been produced

Witnesses:
E. Horton
F. Hoyt

Patent Dates:
Applied: Jan. 31, 1887
Granted: Jul. 12, 1887

Patent Pictures:
William Cronk patent July 12, 1887
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Description:
The blade with the screwdriver and brad awl tips has a pair of central ribs, and the clamping frame a pair of central grooves. The tool is intended to form pilot holes for screws, and then drive them.

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