HS

Henricus Godefriedus Wilhelmus Stemkens

SA Syngenta Crop Protection Ag: 7 patents #62 of 703Top 9%
SB Syngenta Seeds B.V.: 1 patents #12 of 20Top 60%
Overall (All Time): #423,031 of 4,157,543Top 15%
12
Patents All Time

Issued Patents All Time

Showing 1–12 of 12 patents

Patent #TitleCo-InventorsDate
PP22535 Verbena plant named ‘Puwydena’ 2012-02-28
PP22484 Verbena plant named ‘Plufrena’ 2012-02-07
PP22477 Verbena plant named ‘Apricena’ 2012-01-31
PP22369 Achillea plant named ‘Desyel’ 2011-12-20
PP22333 Achillea plant named ‘Desred’ 2011-12-13
PP21441 Verbena plant named ‘Bludena’ 2010-11-02
PP21081 Verbena plant named ‘SCY’ 2010-06-22
6291746 Plant breeding Gerardus Cornelius Maria Bentvelsen, Pieter Tjeertes 2001-09-18
PP9813 Germanium plant named `Sanwhite` 1997-02-25
PP9801 Geranium plant named `Sanblotch` 1997-02-11
PP9802 Geranium plant named `Sanlilac` 1997-02-11
PP9803 Geranium plant named `Sanred` 1997-02-11