DH

Dean R. Hellwig

SM S. C. Johnson Commercial Markets: 2 patents #1 of 51Top 2%
📍 Racine, WI: #9 of 107 inventorsTop 9%
🗺 Wisconsin: #417 of 3,225 inventorsTop 15%
Overall (2002): #68,161 of 266,432Top 30%
2
Patents 2002

Issued Patents 2002

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
6355727 Continuous bulk polymerization and esterification process Kevin M. Andrist, John E. Blasko, Glenn C. Calhoun, Frederick C. Hansen, Kurt A. Hessenius +9 more 2002-03-12
6346590 Process for producing polymers by free radical polymerization and condensation reaction, and apparatus and products related thereto John David CAMPBELL, Jon A. Debling, Douglas J. DeYoung, Ioannis Giannakitsas, David D. Schatz +2 more 2002-02-12