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

Quick search:	Patent number:	Patent Date:

US Patent: 691,631
Spirit Level
Patentee: Joseph H. Jackson (exact or similar names) - Pittsburg, Allegheny County, PA USPTO Classifications: 33/369, 33/375 Tool Categories: layout tools : levels : line levels Assignees: None Manufacturer: Joseph Woodwell Co. - Pittsburg, Allegheny County, PA Witnesses: John Groetzinger M. E. Harrison J. A. Herroy	Patent Dates: Applied: Apr. 25, 1900 Granted: Jan. 21, 1902 Patent Pictures: [ 1 | 2 ] USPTO (New site tip) Google Patents Report data errors or omissions to steward Joel Havens

Copyright © 2002-2024 - DATAMP