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Patents for Ralph W. Nazel
Patents 1 - 3 of 3
First set of recordsLast set of records
NumberDatePatenteeTitleType
1,268,231Jun. 04, 1918E.J. Fritsch, R.W. NazelFluid-power hammerdrop hammers
1,268,270Jun. 04, 1918R.W. NazelFluid-power hammerdrop hammers
1,429,421Sep. 19, 1922E.J. Fritsch, R.W. NazelFluid-power hammerdrop hammers
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