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US Patent: 497,978
Door-machine
Patentee:
Eli B. Hayes (exact or similar names) - Oshkosh, WI

USPTO Classifications:
144/133.1, 144/222, 144/89

Tool Categories:
woodworking machines : specialty woodworking machines

Assignees:
None

Manufacturer:
Not known to have been produced

Witnesses:
F. J. Benjamin
H. N. Low

Patent Dates:
Applied: Apr. 23, 1892
Granted: May 23, 1893

Patent Pictures:
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