GC

Gregory R. Cooper

CL Coal Industry (Patents) Limited: 1 patents #73 of 230Top 35%
Overall (All Time): #3,975,623 of 4,157,543Top 100%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4670071 Method of forming a waterproof roof Robert J. Pragnell 1987-06-02