JB

Joanne M. Bartkus

3M: 1 patents #7,233 of 11,543Top 65%
Overall (All Time): #3,740,580 of 4,157,543Top 90%
1
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
5508060 Method of polymer impregnation Craig A. Perman, Hye-Ok Choi, Manfred E. Riechert, Kelvin J. Witcher, Richard Kao +2 more 1996-04-16