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US Patent: 2,704,124
Apparatus for Notching Slots in the Ends of Tubing
Patentee: Frank Koster (exact or similar names) - Melrose Park, Cook County, IL USPTO Classifications: 83/190 Tool Categories: specialty tools : pipe and tube notchers specialty machines : tube cutting machines Assignees: Vogel Tool & Die Corp. - Chicago, Cook County, IL Manufacturer: Vogel Tool & Die Corp. - Chicago, Cook County, IL Witnesses: Unknown	Patent Dates: Applied: Apr. 22, 1952 Granted: Mar. 15, 1955 Patent Pictures: USPTO (New site tip) Google Patents Report data errors or omissions to steward Joel Havens Vintage Machinery entry for Vogel Tool & Die Corp.

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