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US Patent: 452,991
Mechanical movement
Spindle feed for drill press
Patentee:
Albert L. Colburn (exact or similar names) - New Haven, CT

USPTO Classifications:
254/103, 408/135, 475/169, 475/175, 475/176, 475/177

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

Assignees:
None

Manufacturer:
Albert L. Colburn - New Haven, CT

Witnesses:
Fred C. Earle
Lillian D. Kelsey

Patent Dates:
Applied: Jan. 26, 1891
Granted: May 26, 1891

Patent Pictures:
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Google Patents
Report data errors or omissions to steward Jeff Joslin
Vintage Machinery entry for Albert L. Colburn

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