RD

Richard W. DeLange

GP Grant Prideco: 1 patents #1 of 6Top 20%
📍 Kingwood, TX: #19 of 69 inventorsTop 30%
🗺 Texas: #2,440 of 8,590 inventorsTop 30%
Overall (2002): #133,003 of 266,432Top 50%
1
Patents 2002

Issued Patents 2002

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
6406070 Casing drilling connector with low stress flex groove Ed Evans, Richard Griffin 2002-06-18