JG

Johannes Antonius Cornelis Maria de Groot

Overall (All Time): #2,246,837 of 4,157,543Top 55%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
D412284 Clock in shape of cockpit 1999-07-27
D405952 Key ring with lamp 1999-02-23