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US Patent: 599,837
Adjustable Spanner or Wrench
Patentee:
William George Harris (exact or similar names) - Ipplepen, England

USPTO Classifications:
81/116, 81/90.3, 81/90.9, 81/DIG.10

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

Assignees:
William George Harris - Ipplepen, England
Frederick Pertwee - London, England

Manufacturer:
Not known to have been produced

Witnesses:
G. F. Redfern
John E. Bousfield
Patent Dates:
Applied: Nov. 15, 1897
Granted: Mar. 01, 1898

Patent Pictures:
William George Harris patent March 1, 1898
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Description:
The adjusting screw sets the opening size. The jaw segments are shaped so they move in concert.

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