DV

David J. Vanderschel

Schlumberger Technology: 1 patents #3,893 of 7,293Top 55%
VI Vindicator: 1 patents #4 of 4Top 100%
📍 Houston, TX: #8,651 of 21,073 inventorsTop 45%
🗺 Texas: #52,441 of 125,132 inventorsTop 45%
Overall (All Time): #2,297,034 of 4,157,543Top 60%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
5349345 Electronic lock 1994-09-20
4531204 Computerized truck instrumentation system 1985-07-23