YS

Youngtzung Shih

3M: 1 patents #7,233 of 11,543Top 65%
Overall (All Time): #3,741,224 of 4,157,543Top 90%
1
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
5510871 Filter for a photothermographic developer Robert M. Biegler, Rosanne E. Gronseth, Robert J. Ryther, Michael P. Juaire, John Arild Svendsen 1996-04-23