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CA Patent: CA-12,141
Railway Nut Wrench
Patentee:
Alexander John McDonell - Ottawa, ON Canada

USPTO Classifications:

Tool Categories:
wrenches : socket wrenches

Assignees:
John O'Toole - Cumberland, ON Canada
Alexander R. McDonell - Ottawa, ON Canada

Manufacturer:
Not known to have been produced

Witnesses:
John Grist

Patent Dates:
Applied: Dec. 01, 1880
Granted: Dec. 18, 1880

Patent Pictures: [ 1 | 2 ]
Alexander John McDonell patent December 18, 1880
CIPO Data
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12,141 in Canadian Patents Database
Description:
A crank and chain driven socket, in a frame that clamps to the rail.

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