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US Patent: 570,197
Boring-machine
Patentee: William W. Black (exact or similar names) - Melrose, MA USPTO Classifications: 144/129, 144/278.1, 144/96, 269/59 Tool Categories: metalworking machines : drilling and boring Assignees: J. Hiram Black - Searltown, PE Canada Manufacturer: Not known to have been produced Witnesses: A. N. Bonney Henry W. Williams	Patent Dates: Applied: Mar. 18, 1896 Granted: Oct. 27, 1896 Patent Pictures: USPTO (New site tip) Google Patents Report data errors or omissions to steward Jeff Joslin
Description: Machine is intended for boring holes in the corners of picture frames.

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