RK

Richard S. Karbo

JI James Hardie Irrigation: 1 patents #5 of 14Top 40%
📍 Newport Beach, CA: #562 of 1,653 inventorsTop 35%
🗺 California: #149,087 of 386,348 inventorsTop 40%
Overall (All Time): #1,672,816 of 4,157,543Top 45%
3
Patents All Time

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
D294730 Pop-up sprinkler 1988-03-15
4336918 Diaphragm valve with multiple pivot axis valve element 1982-06-29
4301992 Diaphragm valve 1981-11-24