JL

John Giles Langan

Air Products And Chemicals: 1 patents #37 of 151Top 25%
📍 Wescosville, PA: #3 of 3 inventorsTop 100%
🗺 Pennsylvania: #989 of 4,367 inventorsTop 25%
Overall (1997): #128,011 of 185,788Top 70%
1
Patents 1997

Issued Patents 1997

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
5626775 Plasma etch with trifluoroacetic acid and derivatives David A. Roberts, Raymond Nicholas Vrtis, Arthur Kenneth Hochberg, Robert G. Bryant 1997-05-06