JW

John R. B. Walkden

OW Owens-Illinois: 2 patents #89 of 322Top 30%
📍 Vineland, NJ: #27 of 120 inventorsTop 25%
🗺 New Jersey: #29,833 of 69,400 inventorsTop 45%
Overall (All Time): #2,352,473 of 4,157,543Top 60%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
4507137 Driven roller tube conveyor Ralston G. Edwards, Jr., Walter H. Carstensen, Gregory E. Murphy, John E. Lisi 1985-03-26
4433776 Driven roller tube conveyor Ralston G. Edwards, Jr., Walter H. Carstensen, Gregory E. Murphy, John E. Lisi 1984-02-28