ST

Sung Y. Tark

DY Dynachem: 2 patents #2 of 8Top 25%
Overall (All Time): #2,349,705 of 4,157,543Top 60%
2
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
4610951 Process of using a flexible, fast processing photopolymerizable composition Melvin A. Lipson, Gene A. Derrico, Toshio Yamazaki 1986-09-09
4539286 Flexible, fast processing, photopolymerizable composition Melvin A. Lipson, Gene A. Derrico, Toshio Yamazaki 1985-09-03