GD

Grant T. Van Duzee

SI Standard Brands Incorporated: 2 patents #4 of 19Top 25%
📍 De Witt, IA: #38 of 103 inventorsTop 40%
🗺 Iowa: #6,094 of 15,303 inventorsTop 40%
Overall (All Time): #2,361,549 of 4,157,543Top 60%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
4375535 Stable liquid, amylopectin starch graft copolymer compositions Adrian P. Kightlinger, Edwin L. Speakman 1983-03-01
4301017 Stable, liquid starch graft copolymer composition Adrian P. Kightlinger, Edwin L. Speakman 1981-11-17