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US Patent: 547,534
Wrench
Patentee:
Albert Dodd Barnett (exact or similar names) - Newark, NJ

USPTO Classifications:
81/77

Tool Categories:
wrenches : wrench adjustment types : screw adjust wrenches
wrenches : socket wrenches

Assignees:
None

Manufacturer:
Not known to have been produced

Witnesses:
Beatrice Charles
Robert Sollberger
Oliver Drake
Patent Dates:
Applied: Feb. 11, 1895
Granted: Oct. 08, 1895

Patent Pictures:
Albert Dodd Barnett patent October 8, 1895
USPTO (New site tip)
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Report data errors or omissions to steward Stan Schulz
Description:
Screw-adjust double-end "socket" type wrench. The ends are different sizes, and face in opposite directions.

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