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US Patent: 1,029,549
Change-speed mechanism
Patentee:
Robert Milne (exact or similar names) - Rockford, IL

USPTO Classifications:
74/354

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

Assignees:
None

Manufacturer:
Not known to have been produced

Witnesses:
Ephraim Banning
William P. Bond

Patent Dates:
Applied: Jun. 29, 1911
Granted: Jun. 11, 1912

Patent Pictures: [ 1 | 2 ]
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