PB

Patrick Den Boer

CK Crompton & Knowles: 2 patents #8 of 45Top 20%
Overall (All Time): #2,341,655 of 4,157,543Top 60%
2
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
4693751 Titanium dioxide suspension for use in film coating Richard F. Heinze 1987-09-15
4652313 Aqueous lake pigment suspension Richard F. Heinze, Benjamin L. Meyers, Barendra C. Mallik 1987-03-24