MG

Martien de Graaf

IS Isover Saint-Gobain: 2 patents #39 of 174Top 25%
📍 Heemstede, NL: #20 of 84 inventorsTop 25%
Overall (All Time): #2,292,321 of 4,157,543Top 60%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
5287651 Apparatus for bulb plant cultivation 1994-02-22
5060419 Substrate for out-of-ground cultivation Jacques Vos, Dominique Plantard 1991-10-29