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Patents for R. W. Sommers
Patents 1 - 2 of 2
First set of recordsLast set of records
NumberDatePatenteeTitleType
423,090Mar. 11, 1890F.F. SmithCombined Square, Plumb, and Levelsquares
682,294Sep. 10, 1901H. TerlinCompasses, Cailipers, etc.compasses
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