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US Patent: 397,954
Wrench
Patentees:
William C. Worthen (exact or similar names) - Boston, MA
Gurdon Pendleton, Jr. (exact or similar names) - Boston, MA

USPTO Classifications:
81/183

Tool Categories:
wrenches : pipe wrenches

Assignees:
William C. Worthen - Boston, MA
Gurdon Pendleton, Jr. - Boston, MA
John D. Walworth - Boston, MA

Manufacturer:
Not known to have been produced

Witnesses:
Helen M. Fegan
E. M. Spinney
O. M. Shaw
Patent Dates:
Applied: Jul. 16, 1888
Granted: Feb. 19, 1889

Patent Pictures:
William C. Worthen and Gurdon Pendleton, Jr. patent February 19, 1889
USPTO (New site tip)
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Description:
Rollers in tapered recesses provide non-marring grip for bright metal or soft metal pipe.

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