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US Patent: 366,439
Reversible Screw Driver
Patentee:
Theodore Troy (exact or similar names) - Three Rivers, MI

USPTO Classifications:
279/79, 81/437, 81/439, 81/61

Tool Categories:
screwdrivers : screwdriver mechanisms

Assignees:
None

Manufacturer:
Not known to have been produced

Witnesses:
Raleign Brewer
F. P. L. Bonney
Jno. Matthew Ritter
John M. Deemer

Patent Dates:
Applied: Jul. 21, 1885
Granted: Jul. 12, 1887

Patent Pictures:
Theodore Troy patent July 12, 1887
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Description:
The handle has a ratchet head with socket usable from either side, and a spring-sided socket in the end. The bit has blades on the tip and sides.

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