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

Quick search:	Patent number:	Patent Date:

US Patent: 1,661,131
Expansible Collapsible Element
Patentee: George B. Duffield (exact or similar names) - Detroit, Wayne County, MI USPTO Classifications: 74/18.2, 92/42 Tool Categories: propulsion and energy : steam engines : steam engine packing Assignees: Detroit Lubricator Co. - Detroit, Wayne County, MI Manufacturer: Not known to have been produced Witnesses: Unknown	Patent Dates: Applied: Apr. 29, 1926 Granted: Feb. 28, 1928 Patent Pictures: USPTO (New site tip) Google Patents Report data errors or omissions to steward Joel Havens "Vintage Machinery" entry for Detroit Lubricator Co.

Copyright © 2002-2024 - DATAMP