DL

Donald Leach

NA National-Oilwell: 1 patents #22 of 58Top 40%
ND National Oilwell Dht: 1 patents #44 of 91Top 50%
📍 Houston, TX: #8,651 of 21,073 inventorsTop 45%
🗺 Texas: #52,441 of 125,132 inventorsTop 45%
Overall (All Time): #2,150,381 of 4,157,543Top 55%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
7431077 Cable hanger for use in a cable guided fishing assembly James R. Streater, Jr., Gregg A. Bosley, David Ross, C. Steven Isaacks 2008-10-07
7066251 Hydraulic jar lock James R. Streater, Jr. 2006-06-27