DH

Derrick A. Hart

CI Ciba-Geigy: 1 patents #1,572 of 2,867Top 55%
📍 Rochdale, GB: #36 of 84 inventorsTop 45%
Overall (All Time): #4,019,427 of 4,157,543Top 100%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4533499 Process for the production of triaryl methane compounds Malcolm C. Clark, John Barry Henshall 1985-08-06