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Patents for Diamond Iron Works, Inc.
Patents 1 - 6 of 6
First set of recordsLast set of records
NumberDatePatenteeTitleType
1,950,501Mar. 13, 1934J.J. MacKayRock crushing plant
2,117,300May 17, 1938J. CorserRock crushing machine
2,179,747Nov. 14, 1939P.C. MalmstenMeans for conveying aggregates in portable rock crusher machines
2,210,093Aug. 06, 1940S.J. MorrisseyMaterial handling device
2,256,731Sep. 23, 1941G.C. WintherMeans for forming and segregating rock chips from aggregates
2,314,827Mar. 23, 1943R.M. HortvetProcess for extracting pure nitrogen from air
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