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US Patent: 638,814
Pipe Tongs
Patentee:
Abraham J. Sawin (exact or similar names) - Springville, Ventura County, CA

USPTO Classifications:
81/90.4, 81/91.2

Tool Categories:
wrenches : pipe wrenches : pipe tongs

Assignees:
None

Manufacturer:
Not known to have been produced

Witnesses:
Frank Meredith Vale
Franklin T. B. Vale

Patent Dates:
Applied: Jun. 21, 1899
Granted: Dec. 12, 1899

Patent Pictures:
Abraham J. Sawin patent Dec. 12, 1899
USPTO (New site tip)
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Description:
Self-adjusting for size; the "knob" on the "upper jaw" and this history of oil production in Ventura County, CA suggest this is related to oil well drilling.

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