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US Patent: 1,675,729
Sucker-rod wrench
Patentee:
Thomas A. Reynolds (exact or similar names) - Los Angeles, CA

USPTO Classifications:

Tool Categories:
wrenches

Assignees:
None

Manufacturer:
Duro Engineering Company - Brea, CA

Witnesses:
Unknown
Patent Dates:
Applied: Mar. 16, 1927
Granted: Jul. 03, 1928

Patent Pictures: [ 1 | 2 ]
Patent 1,675,729 - edited drawing
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Description:
The pivoting joint between the "head" and handle allows for "hammer" action to help initial loosening and final tightening.

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