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US Patent: 1,574,727
Multiple-Spindle Continuous-Drilling Tool
Patentee:
Edward P. Bullard, Jr. (exact or similar names) - Bridgeport, Fairfield County, CT

USPTO Classifications:
408/34

Tool Categories:
metalworking machines : drilling and boring : vertical boring mills

Assignees:
Bullard Machine Tool Co. - Bridgeport, Fairfield County, CT

Manufacturer:
Not known to have been produced

Witnesses:
Unknown

Patent Dates:
Applied: Mar. 23, 1921
Granted: Feb. 23, 1926

Patent Pictures:
USPTO (New site tip)
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Report data errors or omissions to steward Joel Havens
"Vintage Machinery" entry for Bullard Machine Tool Co.

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