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US Patent: RE2,275
Improved steam drilling-machine
Patentee:
Joseph W. Fowle (exact or similar names) - Boston, MA

USPTO Classifications:
74/841

Tool Categories:
specialty machines : mining apparatus

Assignees:
None

Manufacturer:
Not known to have been produced

Witnesses:
J. B. Crosby
W. B. Gleason
Patent Dates:
Granted: Jun. 05, 1866

Reissue Information:
Reissue of 7,972 (Mar. 11, 1851)

Patent Pictures:
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