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US Patent: 981,791
Drill
Patentee:
Charles H. Oslund - Worcester, Worcester County, MA

USPTO Classifications:
408/95

Tool Categories:
transportation machines : railroads and railways : track maintenance machinery : rail drilling machines

Assignees:
None

Manufacturer:
Not known to have been produced

Witnesses:
Unknown

Patent Dates:
Applied: Feb. 21, 1910
Granted: Jan. 17, 1911

Patent Pictures:
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