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

Quick search:	Patent number:	Patent Date:

US Patent: 434,723
Regulator for Grain Weighers
Patentee: Francis H. Richards (exact or similar names) - Hartford, Hartford County, CT USPTO Classifications: 119/57, 119/901, 222/509, 222/525, 222/56 Tool Categories: agricultural : grain scales Assignees: Pratt & Whitney Co. - Hartford, Hartford County, CT Manufacturer: Not known to have been produced Witnesses: Unknown	Patent Dates: Applied: Mar. 21, 1890 Granted: Aug. 19, 1890 Patent Pictures: USPTO (New site tip) Google Patents Report data errors or omissions to steward Joel Havens "Vintage Machinery" entry for Pratt, Whitney & Co.

Copyright © 2002-2024 - DATAMP