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US Patent: 342,688
Boring-machine
Patentee:
John Ernst - Bay City, MI

USPTO Classifications:
408/108, 408/56, 74/567

Tool Categories:
woodworking machines : joint making machines : portable timber borers
woodworking machines : wood drilling and boring : portable timber borers

Assignees:
None

Manufacturer:
Not known to have been produced

Witnesses:
W. H. Power
J. E. Thomas

Patent Dates:
Applied: Sep. 28, 1885
Granted: May 25, 1886

Patent Pictures:
USPTO pdf tiff
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