Patents for P. B. McLennan


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Patents for P. B. McLennan
Patents 1 - 2 of 2
Number	Date	Patentee	Title	Type
201,064	Mar. 05, 1878	G.N. Stearns	Improvement in Hollow Augers	hollow bits
203,384	May 07, 1878	G.N. Stearns	Improvement in hollow augers	hollow bits