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US Patent: 374,363
Wood-boring machine
Patentee:
Henry Ihsen - Allegheny City, PA

USPTO Classifications:
279/69, 408/111

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

Assignees:
None

Manufacturer:
Not known to have been produced

Witnesses:
James I. Kay
Mason V. David

Patent Dates:
Applied: Jan. 19, 1886
Granted: Dec. 06, 1887

Patent Pictures:
USPTO pdf tiff
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