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All Patents in class 40/902
Patents 1 - 2 of 2
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NumberDatePatenteeTitleType
772,908Oct. 18, 1904C. Ridderhof, G.E. MilesFlashing device for incandescent electric lampselectrical devices
2,006,370Jul. 02, 1935L.J. Schumacker, E.A. ReussenzehnScale head
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