US Patent: 638,814 - Pipe Tongs


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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

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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.