GB

George A. Brownbill

KO Koehring: 1 patents #14 of 38Top 40%
Overall (All Time): #4,026,974 of 4,157,543Top 100%
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Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4561463 Sectional valve having dual pressure relief James E. Olsen 1985-12-31