HT

Hendrik Jan van den Top

WC Witteman & Co: 1 patents #6 of 29Top 25%
📍 Barneveld, NL: #1 of 63 inventorsTop 2%
Overall (All Time): #222,401 of 4,157,543Top 6%
20
Patents All Time

Issued Patents All Time

Showing 1–20 of 20 patents

Patent #TitleCo-InventorsDate
PP30337 Hosta plant named ‘B201’ 2019-04-02
PP30290 Hosta plant named ‘B200’ 2019-03-12
PP25329 Heuchera plant named ‘Silver Blush’ 2015-03-03
PP25280 Hosta plant named ‘Sleeping Star’ 2015-02-03
PP25231 Hosta plant named ‘Bright Star’ 2015-01-13
PP22789 Hosta plant named ‘Secret Treasure’ 2012-06-12
PP22384 Hosta plant named ‘Orange Star’ 2011-12-20
PP21624 Hosta plant named ‘Justine’ 2011-01-11
PP21209 Hosta plant named ‘Tropical Dancer’ 2010-08-17
PP21210 Hosta plant named ‘Little Treasure’ 2010-08-17
PP19818 Hosta plant named ‘Regal Supreme’ 2009-03-10
PP19539 Hosta plant named ‘Little Jay’ 2008-12-02
PP19507 Hosta plant named ‘Secret Ambition’ 2008-11-25
PP19508 Hosta plant named ‘Fragrant Queen’ 2008-11-25
PP19003 Hosta plant named ‘Great Escape’ 2008-07-08
PP17524 Hosta plant named ‘Magic Fire’ 2007-03-27
PP15340 Hosta plant named ‘June Fever’ 2004-11-16
5358376 Device for opening and emptying filled food cans 1994-10-25
5035109 Apparatus for harvesting mushrooms 1991-07-30
4901471 Apparatus for cultivating market garden products, particularly mushrooms 1990-02-20