AR

Arthur A. Randell

CL Coal Industry (Patents) Limited: 3 patents #21 of 230Top 10%
📍 Tewkesbury, GB: #8 of 46 inventorsTop 20%
Overall (All Time): #1,685,876 of 4,157,543Top 45%
3
Patents All Time

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
4298339 Method of heat treating a material 1981-11-03
4284242 Spray head 1981-08-18
4201676 Method of heat treating a material Norman Hodgkinson 1980-05-06