SP

Sydney F. Powell

CL Coal Industry (Patents) Limited: 1 patents #73 of 230Top 35%
📍 Treville, GB: #17 of 32 inventorsTop 55%
Overall (All Time): #4,037,618 of 4,157,543Top 100%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4459478 Probe equipment for use in underground mining — 1984-07-10