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

Quick search:	Patent number:	Patent Date:

US Patent: 2,281,921
Tumble Change Gear Mechanism
Patentee: Frank W. Curtis (exact or similar names) - Springfield, Hampden County, MA USPTO Classifications: 122/367.1, 74/353, 74/473.24, 74/745 Tool Categories: metalworking machines : milling machines metalworking machines : metalworking machine mechanisms Assignees: Van Norman Machine Tool Co. - Springfield, Hampden County, MA Manufacturer: Not known to have been produced Witnesses: Unknown	Patent Dates: Applied: Feb. 07, 1941 Granted: May 05, 1942 Patent Pictures: USPTO (New site tip) Google Patents Report data errors or omissions to steward Joel Havens "Vintage Machinery" entry for Van Norman Machine Tool Co.

Copyright © 2002-2024 - DATAMP