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US Patent: 2,869,402
Deep Drilling Attachment
Patentee: William S. Bunnell (exact or similar names) - Chicago, Cook County, IL USPTO Classifications: 408/17, 74/22R, 74/813L Tool Categories: metalworking machines : metal lathes : metal lathe accessories and attachments metalworking machines : screw machines metalworking machines : metal lathes : turret lathes Assignees: Boyar-Schultz Corp. - Chicago, Cook County, IL Manufacturer: Not known to have been produced Witnesses: Unknown	Patent Dates: Applied: Sep. 30, 1954 Granted: Jan. 20, 1959 Patent Pictures: USPTO (New site tip) Google Patents Report data errors or omissions to steward Joel Havens "Vintage Machinery" entry for Boyar-Schultz Corp.

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