DS

Donald J. Schwalm

HO Holcroft: 1 patents #4 of 11Top 40%
Overall (All Time): #4,033,661 of 4,157,543Top 100%
1
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Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4445945 Method of controlling furnace atmospheres — 1984-05-01