JE

Johnny E. Etheridge

📍 Powhatan, VA: #23 of 88 inventorsTop 30%
🗺 Virginia: #9,471 of 34,511 inventorsTop 30%
Overall (All Time): #1,662,545 of 4,157,543Top 40%
3
Patents All Time

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
5150613 Material level sensing device 1992-09-29
4909449 Primary crushing stage control system 1990-03-20
4804148 Crusher control system 1989-02-14