PH

Paul C. Hydes

JP Johnson Matthey Plc: 1 patents #1 of 9Top 15%
Overall (1982): #39,667 of 81,411Top 50%
1
Patents 1982

Issued Patents 1982

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4329299 Composition of matter containing platinum — 1982-05-11