RZ

Richard C. Zielke

CH Covia Holdings: 1 patents #1 of 7Top 15%
📍 Diemelstraße, TX: #68 of 193 inventorsTop 40%
🗺 Texas: #5,205 of 15,368 inventorsTop 35%
Overall (2018): #263,217 of 503,207Top 55%
1
Patents 2018

Issued Patents 2018

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
10023790 Dust free proppant and method of making same Feipeng Liu 2018-07-17