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US Patent: 1,677,637
Pipe Flange Wrench
Patentee:
Willis H. Jones - Buffalo, NY

USPTO Classifications:
81/63.2

Tool Categories:
wrenches : flange wrenches

Assignees:
None

Manufacturer:
Not known to have been produced

Witnesses:
none listed

Patent Dates:
Applied: Jun. 18, 1925
Granted: Jul. 17, 1928

Patent Pictures:
Willis H. Jones patent July 17, 1928
USPTO pdf tiff
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Description:
This flange wrench bolts to the face of the flange, and has twin reversible ratchets.

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