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US Patent: 410,384
Wrench
Patentee:
Charles A. Swanson (exact or similar names) - Marshall, MN

USPTO Classifications:
81/90.2

Tool Categories:
wrenches : alligator wrenches
wrenches : wrench adjustment types : self-adjust wrenches

Assignees:
Charles A. Swanson - Marshall, MN
Charles Laudenslager - Marshall, MN

Manufacturer:
Not known to have been produced

Witnesses:
C. Sedgwick
H. Walker
Virgil B. Seward
John J. Laudenslager
Patent Dates:
Applied: Apr. 20, 1889
Granted: Sep. 03, 1889

Patent Pictures:
Charles A. Swanson patent September 3, 1889
USPTO (New site tip)
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Description:
Self-adjusting "alligator wrench," with an adjustment lock provision.

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