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

Quick search:	Patent number:	Patent Date:

US Patent: 139,184
Speed Gage
Patentee: John W. Osborne (exact or similar names) - Washington, DC USPTO Classifications: 73/524 Tool Categories: industrial tools : rpm speed gauges and tachometers Assignees: None Manufacturer: Not known to have been produced Witnesses: Edward W. Donn Samuel Cassidy	Patent Dates: Applied: Sep. 03, 1872 Granted: May 20, 1873 Patent Pictures: USPTO (New site tip) Google Patents Report data errors or omissions to steward Joel Havens

Copyright © 2002-2024 - DATAMP