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US Patent: 625,716
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Patentee:
Charles Baxter (exact or similar names) - London, England

USPTO Classifications:
81/117, 81/94, 81/98

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

Assignees:
Charles Baxter - London, England
Frederick Pertwee - London, England

Manufacturer:
Not known to have been produced

Witnesses:
J. O. Kingsbery
B. W. Brockett
G. F. Redfern
John E. Bousfield

Patent Dates:
Applied: Aug. 19, 1898
Granted: May 23, 1899

Patent Pictures:
Charles Baxter patent May 23, 1899
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Description:
A screw-adjusted jaw portion has sliding contact with a spring-tensioned second jaw portion, such that adjustment moves both jaws. The jaws remain parallel through their range of movement.

The specifications note corresponding British patent application 15,411 dated July 13, 1898.

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