RL

Richard C. Lipp

GR General Refractories: 1 patents #8 of 18Top 45%
📍 Evans City, PA: #29 of 43 inventorsTop 70%
🗺 Pennsylvania: #43,221 of 74,527 inventorsTop 60%
Overall (All Time): #3,916,475 of 4,157,543Top 95%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4975049 Refractory block for rotary kiln Howard L. Roenigk, Peter Frazier 1990-12-04