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US Patent: 791,767
Push-drill
Patentee: Zachry T. Furbish (exact or similar names) - Philadelphia, PA USPTO Classifications: 74/127 Tool Categories: woodworking tools : hand drills Assignees: North Brothers Manufacturing Co. - Philadelphia, PA Manufacturer: Not known to have been produced Witnesses: Unknown	Patent Dates: Applied: Sep. 22, 1903 Granted: Jun. 06, 1905 Patent Pictures: USPTO (New site tip) Google Patents Report data errors or omissions to steward George Langford
Description: This patent takes the the #40 and 41 Yankee drill and adds a spring tension adjustment to become a #44.

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