RL

Richard Lee

DS Drilex Systems: 1 patents #6 of 14Top 45%
Overall (All Time): #3,874,680 of 4,157,543Top 95%
1
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
5009265 Packer for wellhead repair unit Thomas F. Bailey, Charles E. Lancaster 1991-04-23