HH

Howard R. Hopwood

CI Ciba-Geigy: 2 patents #1,054 of 2,867Top 40%
Overall (All Time): #2,340,944 of 4,157,543Top 60%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
4643315 Carton for film cassettes Sylvia A. Lewis, Peter Walker 1987-02-17
4193801 Process for producing photographic silver halide material Roy Trunley 1980-03-18