NP

Norman L. C. Parfitt

CL Coal Industry (Patents) Limited: 1 patents #73 of 230Top 35%
📍 Ashby de la Zouch, GB: #28 of 47 inventorsTop 60%
Overall (All Time): #4,089,194 of 4,157,543Top 100%
1
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Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4266637 Non-return device — 1981-05-12