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US Patent: 233,231
Oil Pump
Patentees:
Harvey F. Gaskill - Lockport, Niagara County, NY
Josiah G. Benton - Titusville, Crawford County, PA

USPTO Classifications:
92/72

Tool Categories:
specialty machines : oilfield machinery

Assignees:
None

Manufacturer:
Not known to have been produced

Witnesses:
Unknown

Patent Dates:
Applied: Feb. 24, 1880
Granted: Oct. 12, 1880

Patent Pictures:
USPTO pdf tiff
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