Patents for W. P. Smith


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Patents for W. P. Smith
Patents 1 - 2 of 2
Number	Date	Patentee	Title	Type
90,786	Jun. 01, 1869	W.P. Smith, L.M. Rumsey	Improvement in pipe-driver
90,787	Jun. 01, 1869	W.P. Smith, L.M. Rumsey	Improved drill for rock and earth with attached tube