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US Patent: 2,709,931
Deep Driller Drive
Patentee:
William S. Bunnell (exact or similar names) - Chicago, Cook County, IL

USPTO Classifications:
29/40, 408/35, 474/115

Tool Categories:
metalworking machines : screw machines
metalworking machines : metalworking machine mechanisms : metalworking power transmission

Assignees:
Boyar-Schultz Corp. - Chicago, Cook County, IL

Manufacturer:
Not known to have been produced

Witnesses:
Unknown

Patent Dates:
Applied: Sep. 30, 1954
Granted: Jun. 07, 1955

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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