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US Patent: 2,540,889
Filing machine
Patentee: John Jesionowski (exact or similar names) - Schenectady, NY USPTO Classifications: 29/76.4, 451/164 Tool Categories: metalworking machines : filing machines Assignees: None Manufacturer: Ideal Tool & Die Co. - Schenectady, NY Witnesses: Unknown	Patent Dates: Applied: Nov. 08, 1946 Granted: Feb. 06, 1951 Patent Pictures: USPTO (New site tip) Google Patents Report data errors or omissions to steward Jeff Joslin Vintage Machinery entry for Ideal Tool & Die Co.
Description: Improvements to the die filer of patent 2,327,843, to allow the die to be inspected without having to remove it from the machine.

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