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Patents Granted on 1931-07-07
Patents 1 - 3 of 3
First set of recordsLast set of records
1,813,002Jul. 07, 1931J.J. Van HamersveldIndicatormetal lathe accessories
1,813,231Jul. 07, 1931J.M. CroweMotor driven hand toolhandheld circular saws
1,813,568Jul. 07, 1931R.E. De WaltAdjustable machine headradial arm saws
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