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

Quick search:	Patent number:	Patent Date:

US Patent: 105,180
Process & Apparatus for Hardening Files
Patentee: Samuel Darling (exact or similar names) - Providence, Providence County, RI USPTO Classifications: 134/105 Tool Categories: industrial tools : files metalworking tools : files Assignees: Darling, Brown & Sharpe - Providence, Providence County, RI Manufacturer: Not known to have been produced Witnesses: Levi Salisbuy Philip C. Scott	Patent Dates: Granted: Jul. 12, 1870 Patent Pictures: USPTO (New site tip) Google Patents Report data errors or omissions to steward Joel Havens "Vintage Machinery" entry for Brown & Sharpe Mfg. Co.

Copyright © 2002-2024 - DATAMP