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US Patent: 1,679,530
Automatic drilling or tapping machine
Patentee:
Albert M. Johnson (exact or similar names) - Rockford, IL

USPTO Classifications:
408/11, 408/71, 470/66

Tool Categories:
metalworking machines : drilling and boring : drill presses
metalworking machines : drilling and boring : tapping machines
woodworking machines : wood drilling and boring : drill presses

Assignees:
Barnes Drill Co. - Rockford, IL

Manufacturer:
Barnes Drill Co. - Rockford, IL

Witnesses:
Unknown

Patent Dates:
Applied: Mar. 08, 1923
Granted: Aug. 07, 1928

Patent Pictures:
USPTO (New site tip)
Google Patents
Report data errors or omissions to steward Jeff Joslin
Vintage Machinery entry for Barnes Drill Co.
Description:
See also patent 1,679,529.

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