DG

Derek G. Gavin

CL Coal Industry (Patents) Limited: 2 patents #41 of 230Top 20%
📍 Longhope, GB: #2 of 2 inventorsTop 100%
Overall (All Time): #2,361,190 of 4,157,543Top 60%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
4371727 Fuel oils from coal — 1983-02-01
4313852 Catalysts Michael Jones 1982-02-02