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US Patent: 197,896
Improvement in ratchet-drills
Patentee: William H. Richards (exact or similar names) - Pittsburgh, PA USPTO Classifications: 408/122.5, 74/134 Tool Categories: metalworking tools : ratchet drills Assignees: None Manufacturer: Not known to have been produced Witnesses: J. B. Geyser W. H. Porter	Patent Dates: Applied: Oct. 20, 1877 Granted: Dec. 04, 1877 Patent Pictures: USPTO (New site tip) Google Patents Report data errors or omissions to steward Joel Havens
Description: This patent was subsequently improved in patent 231,361, which also extended its use to drill presses.

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