LR

Lev Ring

📍 Bellaire, TX: #4 of 24 inventorsTop 20%
🗺 Texas: #1,045 of 8,590 inventorsTop 15%
Overall (2002): #53,485 of 266,432Top 25%
2
Patents 2002

Issued Patents 2002

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
6497289 Method of creating a casing in a borehole Robert Lance Cook, David Paul Brisco, R. Bruce Stewart, Richard Carl Haut, Robert Donald Mack 2002-12-24
6470966 Apparatus for forming wellbore casing Robert Lance Cook, David Paul Brisco, R. Bruce Stewart, Richard Carl Haut, Robert Donald Mack 2002-10-29