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

Quick search:	Patent number:	Patent Date:

US Patent: 1,496,559
Machine for finishing springs
Patentee: Frank H. Sleeper (exact or similar names) - Worcester, MA USPTO Classifications: 140/101 Tool Categories: specialty machines : spring making machines Assignees: Sleeper & Hartley, Inc. - Worcester, MA Manufacturer: Sleeper & Hartley, Inc. - Worcester, MA Witnesses: Unknown	Patent Dates: Applied: May 03, 1922 Granted: Jun. 03, 1924 Patent Pictures: USPTO (New site tip) Google Patents Report data errors or omissions to steward Jeff Joslin Vintage Machinery entry for Sleeper & Hartley, Inc.

Copyright © 2002-2024 - DATAMP