NP

Norman A. Plumpton

CL Coal Industry (Patents) Limited: 1 patents #8 of 40Top 20%
Overall (1982): #40,598 of 81,411Top 50%
1
Patents 1982

Issued Patents 1982

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4314730 Mineral mining machine with high pressure fluid nozzle and intensifier Malcolm G. Tomlin 1982-02-09