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Patents for William Wattie
Patents 1 - 3 of 3
First set of recordsLast set of records
NumberTitleClassification(s)
378,747Drilling Machine408/69, 470/105
796,095Drilling-machine144/128, 144/242.1, 144/3.1, 144/93.1, 408/25, 408/46, 83/435.2
872,036Machine for Cutting Spiral Oil Channels in Boxes, Bearings, &c.409/306, 409/332
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