CH

Charles Hsaio

SC Schering: 1 patents #1,469 of 2,442Top 65%
Overall (All Time): #3,963,412 of 4,157,543Top 100%
1
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
4786509 Dry sustained release theophylline oral formulation Richard Rugin Chang, Robert P. Giannini 1988-11-22