MJ

Mary Ann Johnson

📍 Des Plaines, IL: #13 of 49 inventorsTop 30%
🗺 Illinois: #1,118 of 4,656 inventorsTop 25%
Overall (1997): #109,847 of 185,788Top 60%
1
Patents 1997

Issued Patents 1997

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
5626133 Gestational computer Erwin G. Szela, JR. 1997-05-06