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

Quick search:	Patent number:	Patent Date:

US Patent: 1,217,397
Process and means for filtering water
Patentee: Francis P. Boland (exact or similar names) - Providence, RI USPTO Classifications: 210/769 Tool Categories: trade specific : jeweler Assignees: None Manufacturer: H. J. Astle & Co. - Providence, RI Witnesses: Calvin H. Brown	Patent Dates: Applied: Nov. 23, 1915 Granted: Feb. 27, 1917 Patent Pictures: USPTO (New site tip) Google Patents Report data errors or omissions to steward Jeff Joslin Vintage Machinery entry for H. J. Astle & Co.
Description: This invention relates to removing particles of precious metals from wash water.

Copyright © 2002-2025 - DATAMP