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US Patent: 898,996
Nut Wrench
Patentee:
George P. Sprague (exact or similar names) - Arlington, MA

USPTO Classifications:
81/177.5, 81/63.2

Tool Categories:
wrenches : ratchet wrenches

Assignees:
None

Manufacturer:
Not known to have been produced

Witnesses:
Marion E. Brown
Charles R. Brown
Albert W. Brown
Patent Dates:
Applied: Sep. 09, 1907
Granted: Sep. 15, 1908

Patent Pictures:
George P. Sprague patent September 15, 1908
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Description:
Swivel-head "T" handle ratchet socket wrench; compare to Sprague's parallel patent 898,997 which does not include the ratchet feature.

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