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US Patent: 1,684,344
Trasmission for Radial Drill Arms, Elevating Mechanism and Drill Spindles
Patentee: Jack C. Carlton (exact or similar names) - Cincinnati, Hamilton County, OH USPTO Classifications: 408/129, 408/237, 74/406 Tool Categories: metalworking machines : drilling and boring : drill presses : radial drill presses Assignees: Carlton Machine Tool Co. - Cincinnati, Hamilton County, OH Manufacturer: Not known to have been produced Witnesses: none listed	Patent Dates: Applied: Jan. 09, 1926 Granted: Sep. 11, 1928 Patent Pictures: [ 1 | 2 | 3 | 4 | 5 | 6 | 7 ] USPTO (New site tip) Google Patents Report data errors or omissions to steward Joel Havens "Vintage Machinery" entry for Carlton Machine Tool Co.

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