AB

Andrew Kelsey Birchenall

EA E.I. Du Pont De Nemours And: 2 patents #2,942 of 8,010Top 40%
📍 Middletown, DE: #124 of 298 inventorsTop 45%
🗺 Delaware: #3,234 of 7,163 inventorsTop 50%
Overall (All Time): #2,195,235 of 4,157,543Top 55%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
6800176 Preservation of paper and textile materials 2004-10-05
6042702 Electrochemical cell having a current distributor comprising a conductive polymer composite material Robert Joseph Kolouch, David Reichert, Robert Lloyd Freed, Clarence Garlan Law, Jr., James Arthur Trainham +2 more 2000-03-28