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US Patent: 569,610
Machine for forming interfitting tongues and grooves on opposite ends of flooring-boards
Patentee:
John P. Burnham (exact or similar names) - Chicago, IL

USPTO Classifications:
144/91

Tool Categories:
woodworking machines : cutter head machines : matchers

Assignees:
Thomas Wilce - Chicago, IL

Manufacturer:
Not known to have been produced

Witnesses:
Unknown

Patent Dates:
Applied: Nov. 15, 1893
Granted: Oct. 20, 1896

Patent Pictures:
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