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US Patent: 631,177
Jar for Well Drilling Tools
Patentee: Harry W. Rank (exact or similar names) - McDonald, Washington County, PA USPTO Classifications: 175/293 Tool Categories: specialty tools : well digging or drilling tools Assignees: None Manufacturer: Not known to have been produced Witnesses: Unknown	Patent Dates: Applied: Feb. 09, 1899 Granted: Aug. 15, 1899 Patent Pictures: USPTO (New site tip) Google Patents Report data errors or omissions to steward Joel Havens

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