JW

John R. Wolfenden

CL Coal Industry (Patents) Limited: 1 patents #73 of 230Top 35%
Overall (All Time): #3,968,436 of 4,157,543Top 100%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4643482 Steering of mining machines — 1987-02-17