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US Patent: 514,719
Boring Mill
Patentee:
Charles Leon Libby - Bridgeport, Fairfield County, CT

USPTO Classifications:
408/234, 409/190, 82/122

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

Assignees:
Edward P. Bullard - Bridgeport, Fairfield County, CT

Manufacturer:
Not known to have been produced

Witnesses:
Unknown

Patent Dates:
Applied: Dec. 06, 1892
Granted: Feb. 13, 1894

Patent Pictures:
USPTO pdf tiff
Google Patents
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"Vintage Machinery" entry for Bullard Machine Tool Co.

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