RW

Roy Winteringham

EA E.I. Du Pont De Nemours And: 3 patents #2,229 of 8,010Top 30%
📍 Hockessin, DE: #260 of 555 inventorsTop 50%
🗺 Delaware: #2,574 of 7,163 inventorsTop 40%
Overall (All Time): #1,660,567 of 4,157,543Top 40%
3
Patents All Time

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
5094773 Azeotropes of HF and process for the separation of HF via azeotropic distillation Leo Ernest Manzer, V. N. Mallikarjuna Rao, Richard T. Rockwell, Michael A. Sisk, Edwin J. Warwas 1992-03-10
4944846 Process for the separation of HF via Azeotropic distillation Leo Ernest Manzer, V. N. Mallikarjuna Rao, Richard T. Rockwell, Michael A. Sisk, Edwin J. Warwas 1990-07-31
4911792 Process for the separation of HF via phase separation and distillation Leo Ernest Manzer, V. N. Mallikarjuna Rao, Richard T. Rockwell, Michael A. Sisk, Edwin J. Warwas 1990-03-27