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Patents Granted on 1951-11-20
Patents 1 - 3 of 3
First set of recordsLast set of records
NumberDatePatenteeTitleType
2,575,332Nov. 20, 1951H.D. CumminsDrilldrill bits
2,575,656Nov. 20, 1951H.D. Coe, Jr., J.B. DymMeans for finishing workpieces of irregular shapesbelt sanders
2,575,721Nov. 20, 1951H. LichtyName plate device or the like
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