DO

David Noel Obenshain

WE Westvaco: 2 patents #109 of 364Top 30%
📍 Swanton, MD: #3 of 9 inventorsTop 35%
🗺 Maryland: #13,387 of 35,612 inventorsTop 40%
Overall (All Time): #2,356,287 of 4,157,543Top 60%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
4427636 Method and apparatus for making ozone — 1984-01-24
4329212 Method for making ozone — 1982-05-11