Irene Johnson

📍 Decorah, IA: #1 of 2 inventorsTop 50%

🗺 Iowa: #89 of 549 inventorsTop 20%

Overall (1989): #102,265 of 140,708Top 75%

Patents 1989

Issued Patents 1989

Showing 1–1 of 1 patents

Patent #	Title	Co-Inventors	Date
4844466	Block puzzle	Clarence W. Johnson	1989-07-04