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US Patent: 768,220
Ratchet Wrench
Patentee:
Charles B. Gracey (exact or similar names) - Coraopolis, PA

USPTO Classifications:
81/63

Tool Categories:
wrenches : ratchet wrenches

Assignees:
Charles B. Gracey - Coraopolis, PA
William T. Tredway - Pittsburgh, PA

Manufacturer:
Not known to have been produced

Witnesses:
Chas. S. Lepley
Ella V. MacKenzie
C. M. Clarke
James McC. Miller

Patent Dates:
Applied: Mar. 09, 1904
Granted: Aug. 23, 1904

Patent Pictures:
Charles B. Gracey patent August 23, 1904
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Description:
The patent is for the shape and arrangement of the pawl and its spring, and the interface of the pawl with the teeth on the head. The pawl can be reversed without removing the wrench from the work piece.

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