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Patents for S. S. Dunham
Patents 1 - 3 of 3
First set of recordsLast set of records
NumberDatePatenteeTitleType
825,320Jul. 10, 1906E.G. HewittSpirit-Levellevels
981,062Jan. 10, 1911H. CaslerBoring Headboring heads
1,123,783Jan. 05, 1915R.L. MuirEndless chain sawother wood sawing machines
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