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US Patent: 582,915
Railroad-tie boring and trimming machine
Patentee:
Alexander B. B. Harris - Bristol, TN

USPTO Classifications:
104/5, 144/133.2, 144/3.1, 144/4.4

Tool Categories:
woodworking machines : specialty machines : railroad machines
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: May 18, 1897

Patent Pictures:
USPTO pdf tiff
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