AJ

Allan B. Johnson

DR Dental Research: 1 patents #2 of 6Top 35%
📍 Rantoul, IL: #7 of 32 inventorsTop 25%
🗺 Illinois: #802 of 3,813 inventorsTop 25%
Overall (1989): #133,473 of 140,708Top 95%
1
Patents 1989

Issued Patents 1989

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4845795 Automatic cleaning device Alan Crawford, John M. Trenary 1989-07-11