WA

William B. Aurther

PC Purex Co.: 1 patents #23 of 65Top 40%
Overall (All Time): #4,069,454 of 4,157,543Top 100%
1
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Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4328833 Multi-ported valve with sealing network between valve body and rotor — 1982-05-11