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US Patent: 1,440,272
Back Connecting Rod Wrench For Ford Machines
Patentee:
Delbert F. Bratton (exact or similar names) - Johnsonville, IL

USPTO Classifications:
81/177.85, 81/62

Tool Categories:
wrenches : ratchet wrenches
wrenches : automotive specialty wrenches

Assignees:
None

Manufacturer:
Delbert F. Bratton - Johnsonville, IL

Witnesses:
L. F. Ellis
George A. Gaumer

Patent Dates:
Applied: Apr. 11, 1921
Granted: Dec. 26, 1922

Patent Pictures:
Delbert F. Bratton Pat. Dec. 26, 1922
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Description:
The curved handle and the 9/16" square opening in the ratchet head are designed to accomodate working conditions inside the Model T Ford engine.

According to a local newspaper story in 2001, the wrench was sold with an extension bar and additional sockets. That story also described a "factory" operated at Rinard, IL. and marking variations indicating production before and after the patent was granted.

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