DB

Donald Bernard Bivens

EA E.I. Du Pont De Nemours And: 1 patents #143 of 599Top 25%
📍 Kennett Square, PA: #10 of 32 inventorsTop 35%
🗺 Pennsylvania: #1,270 of 5,047 inventorsTop 30%
Overall (2004): #232,978 of 270,089Top 90%
1
Patents 2004

Issued Patents 2004

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
6783691 Compositions of difluoromethane, pentafluoroethane, 1,1,1,2-tetrafluoroethane and hydrocarbons Barbara Haviland Minor, Akimichi Yokozeki 2004-08-31