DH

David G. von Hollen

📍 Odessa, TX: #171 of 383 inventorsTop 45%
🗺 Texas: #73,555 of 125,132 inventorsTop 60%
Overall (All Time): #3,701,486 of 4,157,543Top 90%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
5829958 Pumping unit with speed reducing means — 1998-11-03