SH

Sam D. Han

BS Binney & Smith: 1 patents #36 of 92Top 40%
Overall (All Time): #3,842,009 of 4,157,543Top 95%
1
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
D323186 Ball point pen David K. Clark, James F. Kowalczyk, Charles W. Dietterich 1992-01-14