DJ

David Jahn

MM Martin Marietta Materials: 2 patents #9 of 34Top 30%
📍 Cincinnati, OH: #3,621 of 8,043 inventorsTop 50%
🗺 Ohio: #30,338 of 73,341 inventorsTop 45%
Overall (All Time): #2,200,902 of 4,157,543Top 55%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
6546352 Method and apparatus for evaluation of aggregate particle shapes through multiple ratio analysis 2003-04-08
6145390 Flat and elongated device for measuring particle sizes Patrick A. Jacomet 2000-11-14