Peter Rudolf Kolster

KB Kolster Holding B.V.: 28 patents #2 of 5Top 40%

HB Horteve Breeding Bv: 23 patents #2 of 2Top 100%

GB Gebr. Kolster B.V.: 14 patents #1 of 5Top 20%

KB Kolster Beheer B.V.: 6 patents #1 of 4Top 25%

📍 Boskoop, NL: #1 of 65 inventorsTop 2%

Overall (All Time): #50,156 of 4,157,543Top 2%

Patents All Time

Issued Patents All Time

Showing 51–52 of 52 patents

Patent #	Title	Co-Inventors	Date
PP13558	Hypericum plant named ‘Kolmfa’	—	2003-02-11
PP13557	Hypericum plant named ‘Kolmgreen’	—	2003-02-11