LJ

Lenard W. Johnson

LE Ltj Enterprises: 2 patents #1 of 2Top 50%
📍 Roseau, MN: #1 of 1 inventorsTop 100%
🗺 Minnesota: #129 of 2,022 inventorsTop 7%
Overall (1989): #21,464 of 140,708Top 20%
2
Patents 1989

Issued Patents 1989

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
4829820 Visual indicator Thomas C. Johnson 1989-05-16
4799383 Visual indicator Thomas C. Johnson 1989-01-24