WK

William J. Knapp

EA E.I. Du Pont De Nemours And: 1 patents #4,343 of 8,010Top 55%
📍 Sawyer, MI: #4 of 10 inventorsTop 40%
🗺 Michigan: #35,034 of 86,293 inventorsTop 45%
Overall (All Time): #2,186,474 of 4,157,543Top 55%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
6680354 High concentration agitation of PVA polymer powders Richard K. Grenville 2004-01-20
6089036 Open-top chilling apparatus Terry Carlson, Alois Weisser 2000-07-18