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US Patent: 1,489,523
Drilling machine (multiple drill)
Patentees: Howard D. Corwin (exact or similar names) - Jackson, MI William R. Fox (exact or similar names) - Jackson, MI USPTO Classifications: 408/127, 408/133, 408/135, 74/842 Tool Categories: metalworking machines : drilling and boring : multiple spindle drilling heads Assignees: Fox Machine Co. - Jackson, MI Manufacturer: Not known to have been produced Witnesses: Unknown	Patent Dates: Applied: Aug. 08, 1921 Granted: Apr. 08, 1924 Patent Pictures: USPTO (New site tip) Google Patents Report data errors or omissions to steward Jeff Joslin Vintage Machinery entry for Fox Machine Co.

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