DS

David E. Sommervold

HY Hycel: 1 patents #3 of 6Top 50%
Overall (All Time): #4,124,881 of 4,157,543Top 100%
1
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
4236894 Readout circuit in an automatic chemical testing apparatus 1980-12-02