DH

Derrik S. Helfer

PT Praxair Technology: 2 patents #335 of 918Top 40%
📍 Decatur, IL: #170 of 423 inventorsTop 45%
🗺 Illinois: #34,584 of 84,256 inventorsTop 45%
Overall (All Time): #2,140,405 of 4,157,543Top 55%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
7615250 Organoaluminum precursor compounds David W. Peters 2009-11-10
7348445 Organoaluminum precursor compounds David W. Peters 2008-03-25