KJ

Kenneth L. Johansen

📍 Arlington Heights, IL: #823 of 1,285 inventorsTop 65%
🗺 Illinois: #48,934 of 84,256 inventorsTop 60%
Overall (All Time): #3,931,157 of 4,157,543Top 95%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4842521 Visual aid ruler 1989-06-27