DB

Dennis A. Barr

IC ICI: 1 patents #1,088 of 2,189Top 50%
Overall (All Time): #4,123,260 of 4,157,543Top 100%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4232142 Production of polyarylene ether sulphones and ketones John B. Rose 1980-11-04