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US Patent: 5,011
Boring-machine
Patentee:
Jonathan Johnson (exact or similar names) - Mifflinburg, PA

USPTO Classifications:
408/103, 408/17, 408/1R, 408/70

Tool Categories:
metalworking machines : drilling and boring

Assignees:
None

Manufacturer:
Not known to have been produced

Witnesses:
John Detwiler
Thomas G. Lehman

Patent Dates:
Granted: Mar. 13, 1847

Patent Pictures:
USPTO (New site tip)
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