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US Patent: 600,598
Automatic stop for self-feed drilling-machines
Patentee:
Albert P. Sibley (exact or similar names) - South Bend, IN

USPTO Classifications:
74/625, 74/842

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

Assignees:
None

Manufacturer:
Sibley & Ware - South Bend, IN

Witnesses:
B. Krueper
William H. Rowe

Patent Dates:
Applied: Apr. 21, 1897
Granted: Mar. 15, 1898

Patent Pictures:
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Vintage Machinery entry for Sibley & Ware

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