Breeder
TREESEARCH
12 US plant patents, granted between 1977 and 2002.
Filed under the TREESEARCH name. Related entities are listed separately on the TREESEARCH search, because a company and a person are not the same filer even when the name matches.
Already in the public domain — 12 cultivars
Most recently freed first. Anyone may propagate and sell these plants — though the name it is sold under may still be a live trademark.
- November GlowPP12100Hamamelis virginiana plant named ‘November Glow’PUBLIC DOMAINMay 18, 2020
- 5473PP12549Hamamelis mollis plant named ‘5473’PUBLIC DOMAINMay 1, 2020
- October GloryPP12079Viburnum dentatum plant named ‘October Glory’PUBLIC DOMAINFebruary 10, 2019
- Princeton SnowcloudPP10989Prunus sargentii plant named `Princeton Snowcloud`PUBLIC DOMAINAugust 22, 2017
- Princeton GoldPP11055Forsythia hybrid plant named `Princeton Gold`PUBLIC DOMAINAugust 22, 2017
- Flowering cherry treePP5730PUBLIC DOMAINOctober 24, 2004
- Bridal BouquetPP5800Flowering Crab Apple TreePUBLIC DOMAINOctober 24, 2004
- Princeton UprightPP5524Sophora japonica Princeton UprightPUBLIC DOMAINDecember 7, 2003
- AutumnalisPP4540Prunus subhirtellaPUBLIC DOMAINJanuary 25, 1999
- Nickerson Color FanPP4632Flowering crab apple treePUBLIC DOMAINJanuary 25, 1999
- Snow QueenPP4458Hydrangea quercifoliaPUBLIC DOMAINOctober 18, 1998
- Vine -- Campsis radicansPP4119Vine -- Campsis radicansPUBLIC DOMAINOctober 4, 1994