JP

John Pringle

CL Coal Industry (Patents) Limited: 1 patents #2 of 8Top 25%
📍 Tewkesbury, GB: #1 of 2 inventorsTop 50%
Overall (1989): #93,420 of 140,708Top 70%
1
Patents 1989

Issued Patents 1989

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4877418 Briquette treatment process Joseph Goleczka, Walter Harris 1989-10-31