Walter L. Colterjohn, Jr.

📍 Barrington, IL: #239 of 767 inventorsTop 35%

🗺 Illinois: #26,653 of 84,256 inventorsTop 35%

Overall (All Time): #1,642,442 of 4,157,543Top 40%

Patents All Time

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #	Title	Co-Inventors	Date
5602390	Electrostatic repulsion ion microscope	—	1997-02-11
4877991	Optical radiation source	—	1989-10-31
4868450	Radiation device	—	1989-09-19