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US Patent: 963,468
Expansible Bit
Patentee: Ernesto Pastore (exact or similar names) - New Haven, CT USPTO Classifications: 408/194, 408/195, 408/197, 408/213 Tool Categories: woodworking tools : hand drills : drill bits : adjustable drill bits Assignees: None Manufacturer: Not known to have been produced Witnesses: Edmund J. Houde William W. Scott	Patent Dates: Applied: Apr. 25, 1910 Granted: Jul. 05, 1910 Patent Pictures: USPTO (New site tip) Google Patents Report data errors or omissions to steward Jeff Joslin (dm)

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