RC

Raymond R. Chervenak

ST Sandvik Rock Tools: 3 patents #6 of 31Top 20%
📍 Bristol, VA: #45 of 147 inventorsTop 35%
🗺 Virginia: #9,471 of 34,511 inventorsTop 30%
Overall (All Time): #1,651,681 of 4,157,543Top 40%
3
Patents All Time

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
5436396 Stabilizing compositions and methods for stabilizing subterranean formations Philip E. Bailey, Timothy J. Shean 1995-07-25
5236499 Sprayable wall sealant C. Dempsey Holstein, Ronald L. Paxton 1993-08-17
5043019 Sealant for concrete or cinder block walls C. Dempsey Holstein, Timothy J. Shean 1991-08-27