EF

Elizabeth L. Frisbie

EA E.I. Du Pont De Nemours And: 2 patents #2,942 of 8,010Top 40%
📍 Old Hickory, TN: #11 of 60 inventorsTop 20%
🗺 Tennessee: #7,532 of 20,272 inventorsTop 40%
Overall (All Time): #2,285,107 of 4,157,543Top 55%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
5395564 Method for controlling throughput Stephen E. Moore, Lyles H. Sowell 1995-03-07
5320760 Method of determining filter pluggage by measuring pressures Kenneth Stephen Freund, Robert E. Wojcik 1994-06-14