HH

Herman H. Hawkins

NO National Oilwell: 1 patents #8 of 27Top 30%
📍 Katy, TX: #1,203 of 2,042 inventorsTop 60%
🗺 Texas: #73,555 of 125,132 inventorsTop 60%
Overall (All Time): #3,922,303 of 4,157,543Top 95%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4809733 Fail-safe gate valve with separated actuators 1989-03-07