US Patent: 581,427 - Nut Wrench


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US Patent: 581,427

Nut Wrench

Patentee:

Swan Olson (exact or similar names) - Ulen, MN

USPTO Classifications:

192/43.1, 254/1, 279/71, 81/114, 81/115, 81/121.1, 81/177.85, 81/185, 81/58.1, 81/62

Tool Categories:

wrenches : ratchet wrenches

Assignees:

None

Manufacturer:

Not known to have been produced

Witnesses:

Patent Dates:
Applied:	Jul. 24, 1896
Granted:	Apr. 27, 1897

Patent Pictures:

Swan Olson patent April 27, 1897

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Description:

Reversible ratchet wrench with provision for a handle in line with the extension shank, various sizes of sockets, an adjustable socket, and chucks for drill bits.