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US Patent: 1,381,900
Socket Wrench
Patentee:
William Barnes (exact or similar names) - Worcester, MA

USPTO Classifications:
279/22, 403/103, 403/364, 403/4, 81/124.6, 81/185, 81/57.42, 81/58.1, 81/58.5

Tool Categories:
wrenches : wrench components : wrench handle components
wrenches : socket wrenches

Assignees:
Walden Worcester, Inc. - Worcester, MA

Manufacturer:
Not known to have been produced

Witnesses:
Unknown

Patent Dates:
Applied: Apr. 23, 1918
Granted: Jun. 21, 1921

Patent Pictures:
William Barnes patent June 21, 1921
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Description:
The main new feature in this patent is the "Swivel Handle" used with a tubular extension bar, tubular socket, and ratchet. The ratchet in the drawing is Frederick E. Walden's July 20, 1909 pat. no. 928,719.

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