AJ

Arthur M Johnston

CL Coal Industry (Patents) Limited: 1 patents #73 of 230Top 35%
SI Secretary Of State For Defence In Her Britannic Majesty'S Government Of The United Kingdom Of Great Britain And Northern Ireland: 1 patents #230 of 775Top 30%
📍 Newport, GB: #50 of 188 inventorsTop 30%
Overall (All Time): #2,198,728 of 4,157,543Top 55%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
6519030 Flame photometer detector Paul R Norman, George Robins, Grant Stuart Richardson 2003-02-11
4555933 Dust assessment apparatus and method — 1985-12-03