Home| FAQ	Search:Advanced|Person|Company| Type|Class	Login

Quick search:	Patent number:	Patent Date:

US Patent: 231,361
Ratchet Drill
Patentee: William H. Richards (exact or similar names) - Pittsburgh, Allegheny County, PA USPTO Classifications: 408/120, 408/122.5, 408/124, 74/134 Tool Categories: metalworking tools : ratchet drills metalworking machines : drilling and boring : drill presses Assignees: None Manufacturer: Not known to have been produced Witnesses: David L. Smith D. S. McKnight J. H. Geyser C. W. Simon	Patent Dates: Applied: Nov. 25, 1879 Granted: Aug. 17, 1880 Patent Pictures: USPTO (New site tip) Google Patents Report data errors or omissions to steward Joel Havens
Description: This patent is an improvement on patent #197,896.

Copyright © 2002-2024 - DATAMP