HS

Hendrik Adrianus Van Sprang

U.S. Philips: 1 patents #205 of 1,030Top 20%
Overall (1989): #105,993 of 140,708Top 80%
1
Patents 1989

Issued Patents 1989

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4830469 Liquid crystalline color display cell having a phosphorescent substrate and U.V.-absorbing dichroic dye Paulus Adrianus Breddels 1989-05-16