JG

Johannes F. J. van der Grift

MM Mallinckrodt Medical: 1 patents #63 of 132Top 50%
📍 Schagen, NL: #5 of 23 inventorsTop 25%
Overall (All Time): #2,288,964 of 4,157,543Top 60%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
5444539 Method of observing liquid for impurities using a transparent container with contrasting colors — 1995-08-22
5261546 Container for liquid observed for impurities — 1993-11-16