JR

Joseph E. Roehl

ET Environmental Technologies: 1 patents #11 of 31Top 40%
Overall (All Time): #3,804,315 of 4,157,543Top 95%
1
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
5338931 Photoionization ion mobility spectrometer Glenn E. Spangler, Gautam B. Patel, Alvin Dorman 1994-08-16