JK

John Kempke

AS Alpha-Tec Systems: 2 patents #4 of 6Top 70%
Overall (All Time): #1,938,293 of 4,157,543Top 50%
2
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
10451528 Collection, filtration and concentration apparatus for biological samples Richard O. Williams, Mark Williams 2019-10-22
10299767 Sample collection apparatus Richard O. Williams, Mark Williams 2019-05-28