WB

W. Keith Black

CA Cashco: 3 patents #1 of 10Top 10%
📍 Salina, KS: #34 of 148 inventorsTop 25%
🗺 Kansas: #3,182 of 12,005 inventorsTop 30%
Overall (All Time): #1,653,480 of 4,157,543Top 40%
3
Patents All Time

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
5288052 Self-draining sanitary control valve Jerold L. Hlad, Phillip G. Rogers, Wayne A. Rohr, Daniel Levi Sharp, Bruce H. Shiffer 1994-02-22
5141022 Pressure regulating valve apparatus 1992-08-25
5070901 Pressure regulating valve apparatus 1991-12-10