GR

Geoffrey R. Rigby

BL Broken Hill Proprietary Company Limited: 1 patents #2 of 21Top 10%
Overall (1989): #111,382 of 140,708Top 80%
1
Patents 1989

Issued Patents 1989

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4869727 Production of hardened coal agglomerates — 1989-09-26