GC

Gijsbertus Hendrikus Maria Calis

DN Dsm N.V.: 2 patents #9 of 154Top 6%
📍 Hulsberg, NL: #1 of 1 inventorsTop 100%
Overall (2003): #66,642 of 273,478Top 25%
2
Patents 2003

Issued Patents 2003

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
6558591 Process of making microporous film 2003-05-06
6514561 Electrolytic membrane, method of manufacturing it and use Ronald Mallant, Frank Albert De Bruijn 2003-02-04