RL

Randall S. Liscombe

RT Ryan Energy Technologies: 1 patents #8 of 10Top 80%
Overall (All Time): #3,540,077 of 4,157,543Top 90%
1
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
6367323 Dynamic pressure device for oil drill systems Paul L. Camwell, Michael T. Sutherland, Anthony R. Dopf, Derek W. Logan 2002-04-09