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US Patent: 607,320
Wrench
Patentee:
John M. Young - Alameda, CA

USPTO Classifications:
81/177.1, 81/318

Tool Categories:
wrenches : wrench adjustment types : quick adjust wrenches

Assignees:
None

Manufacturer:
Not known to have been produced

Witnesses:
H. F. Alscheck
Henry J. Lang
Harold J. Tomblin
G. H. Nourse

Patent Dates:
Applied: Aug. 03, 1897
Granted: Jul. 12, 1898

Patent Pictures:
John M. Young patent July 12, 1898
USPTO pdf tiff
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Description:
Teeth in the two handles interlock to hold the adjustment.

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