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US Patent: 420,665
Boring and turning machine
Patentee:
Frank H. Robinson Robinson - North East, PA

USPTO Classifications:
142/20, 144/11, 144/14, 144/253.1, 408/40

Tool Categories:
woodworking machines : wood lathes
woodworking machines : wood drilling and boring
metalworking machines : drilling and boring

Assignees:
None

Manufacturer:
Not known to have been produced

Witnesses:
Unknown

Patent Dates:
Granted: Feb. 04, 1890

Patent Pictures:
USPTO pdf tiff
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