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All Patents in class 250/230
Patents 1 - 2 of 2
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NumberDatePatenteeTitleType
2,720,810Oct. 18, 1955J.A. SennMeasuring Instrumentmilling machine accessories
2,832,894Apr. 29, 1958R.H. Eisengrein, R.J. W, D.A. StraznickasAutomatic machine
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