MR

Maria Helena Roosenboom-Kooijman

RB Rijk Zwaan Zaadteelt En Zaadhandel B.V.: 6 patents #30 of 134Top 25%
📍 De Lier, NL: #31 of 133 inventorsTop 25%
Overall (All Time): #846,944 of 4,157,543Top 25%
6
Patents All Time

Issued Patents All Time

Showing 1–6 of 6 patents

Patent #TitleCo-InventorsDate
9326479 Lettuce variety 45-114 RZ Willem van Vliet 2016-05-03
9265225 Lettuce variety 45-149 RZ Johannes Petrus Antonius Jansen, Willem van Vliet 2016-02-23
9258974 Lettuce variety 45-125 RZ Johannes Petrus Antonius Jansen, Willem van Vliet 2016-02-16
9228201 Lettuce variety 45-89 RZ, “caledonas” Willem van Vliet 2016-01-05
9139846 Lettuce variety 45-21 RZ, lorquinas RZ Johannes Petrus Antonius Jansen, Willem van Vliet 2015-09-22
9125374 Lettuce variety 45-171 RZ Johannes Petrus Antonius Jansen, Willem van Vliet 2015-09-08