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US Patent: 850,516
Wrench
Movable Jaw for Stillson Wrench
Patentee:
Cecil D. Bradstreet - San Francisco, CA

USPTO Classifications:
81/105

Tool Categories:
wrenches : pipe wrenches
wrenches : wrench components : wrench jaw components

Assignees:
None

Manufacturer:
Not known to have been produced

Witnesses:
F. M. Wright
B. Naggs
Geoffrey G. Holt

Patent Dates:
Applied: Oct. 13, 1906
Granted: Apr. 16, 1907

Patent Pictures:
Cecil D. Bradstreet patent April 16, 1907
USPTO pdf tiff
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Description:
The patent is a strengthend shank for the movable jaw and corresponding modifications in the frame holding the adjusting ring.

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