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US Patent: 441,509
Drill-support
Patentee: Frederic Schoff (exact or similar names) - Philadelphia, PA USPTO Classifications: 279/76, 408/131, 408/137, 408/237 Tool Categories: metalworking machines : drilling and boring : portable metal drilling machines Assignees: None Manufacturer: Stow Flexible Shaft Co., Ltd. - Philadelphia, PA Witnesses: Eugene Elterich Henry Howson	Patent Dates: Applied: Sep. 15, 1890 Granted: Nov. 25, 1890 Patent Pictures: [ 1 | 2 | 3 ] USPTO (New site tip) Google Patents Report data errors or omissions to steward Jeff Joslin Vintage Machinery entry for Stow Flexible Shaft Co., Ltd.

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