JA

John K. Andrews

Overall (All Time): #4,101,995 of 4,157,543Top 100%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4304894 Quaternary ammonium terpolymers John G. B. Howes, Rupert A. Selway 1981-12-08