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Peter Marshman

📍 Liverpool, GB: #2 of 9 inventorsTop 25%
Overall (1982): #38,822 of 81,411Top 50%
1
Patents 1982

Issued Patents 1982

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4311441 Positive displacement device Frederick Scragg, Michael L. Scragg 1982-01-19