JW

John H. Waters

DL Dowty Mining Equipment Limited: 2 patents #3 of 16Top 20%
📍 Nappan, GB: #8 of 23 inventorsTop 35%
Overall (All Time): #2,352,912 of 4,157,543Top 60%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
4548527 Roof support suitable for use in mines Christopher J. Bishop, Geoffrey M. Cumner 1985-10-22
4512686 Roof support suitable for use in mines — 1985-04-23