JR

Joseph E. Roehl

ET Environmental Technologies: 1 patents #1 of 6Top 20%
📍 Baltimore, MD: #35 of 189 inventorsTop 20%
🗺 Maryland: #310 of 1,619 inventorsTop 20%
Overall (1994): #111,891 of 165,921Top 70%
1
Patents 1994

Issued Patents 1994

Showing 1–1 of 1 patents

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