CH

Colin Hubbard

PL Petrocarbon Developments Limited: 1 patents #5 of 10Top 50%
Overall (All Time): #4,009,372 of 4,157,543Top 100%
1
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Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4496383 Production of nitrogen from air David I. Limb, Melvyn Duckett 1985-01-29