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US Patent: 463,131
Can Opener
Patentee:
George L. Allen (exact or similar names) - Kalamazoo, MI

USPTO Classifications:
81/111, 81/3.4

Tool Categories:
wrenches : jar wrenches

Assignees:
None

Manufacturer:
Not known to have been produced

Witnesses:
Walter S. Wood
E. L. Perkins
Eugene C. Southard
Patent Dates:
Applied: Dec. 27, 1890
Granted: Nov. 17, 1891

Patent Pictures:
George L. Allen patent November 17, 1891
USPTO (New site tip)
Google Patents
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Description:
The jar wrench is formed of heavy wire, and fits two sizes of jar lids.

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