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

Quick search:	Patent number:	Patent Date:

US Patent: 927,525
Variable Speed Mechanism
Patentee: Carl L. Grohmann (exact or similar names) - Hartford, Hartford County, CT USPTO Classifications: 74/333 Tool Categories: metalworking machines : metalworking machine mechanisms : metalworking variable speed mechanisms Assignees: Pratt & Whitney Co. - Hartford, Hartford County, CT Manufacturer: Not known to have been produced Witnesses: Unknown	Patent Dates: Applied: Dec. 07, 1908 Granted: Jul. 13, 1909 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