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US Patent: 171,779
Improvement in machines for boring hubs
Patentee:
Edward B. Decker - Rockbridge, IL

USPTO Classifications:
144/100, 144/98

Tool Categories:
metalworking machines : drilling and boring
woodworking machines : wood drilling and boring
trade specific : wheelwright

Assignees:
None

Manufacturer:
Not known to have been produced

Witnesses:
Unknown

Patent Dates:
Applied: Sep. 17, 1875
Granted: Jan. 04, 1876

Patent Pictures:
USPTO pdf tiff
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