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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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