Glenn E. Spangler

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): #131,191 of 165,921Top 80%

Patents 1994

Issued Patents 1994

Showing 1–1 of 1 patents

Patent #	Title	Co-Inventors	Date
5338931	Photoionization ion mobility spectrometer	Joseph E. Roehl, Gautam B. Patel, Alvin Dorman	1994-08-16