US Patent: 569,610 - Machine for forming interfitting tongues and grooves on opposite ends of flooring-boards


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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:

Tool Categories:

Assignees:

Thomas Wilce - Chicago, IL

Manufacturer:

Not known to have been produced

Witnesses:

Unknown

Patent Pictures: