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US Patent: 770,699
Wrench
Patentee:
Oscar S. Randall (exact or similar names) - Newark Valley, NY

USPTO Classifications:
81/179

Tool Categories:
wrenches : ratchet wrenches

Assignees:
None

Manufacturer:
Not known to have been produced

Witnesses:
Herbert D. Lauson
Geo. Ackman, Jr.
B. W. Green
C. W. Shaffer

Patent Dates:
Applied: Nov. 21, 1903
Granted: Sep. 20, 1904

Patent Pictures:
Oscar S. Randall patent Sept. 20, 1904
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Description:
Ratchet action which catches the corner of square nut. The ratchet function is performed by one or more spring loaded "slides." Several wrench forms based on this principle are shown and described.

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