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US Patent: 1,518,089
Change-speed mechanism for drilling machines or the like
Patentee: John E. Manquen (exact or similar names) - Buffalo, NY USPTO Classifications: 74/371 Tool Categories: metalworking machines : drilling and boring Assignees: Buffalo Forge Co. - Buffalo, NY Manufacturer: Buffalo Forge Co. - Buffalo, NY Witnesses: J. M. Dobmeier Charles Burgin	Patent Dates: Applied: Sep. 13, 1920 Granted: Dec. 02, 1924 Patent Pictures: USPTO (New site tip) Google Patents Report data errors or omissions to steward Jeff Joslin Vintage Machinery entry for Buffalo Forge Co.

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