Nursery or breeding house
NAT SEED DEV ORG LTD
9 US plant patents, granted between 1977 and 1988.
Already in the public domain — 9 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.
- MaypolePP6184Columnar apple tree--Maypole varietyPUBLIC DOMAINApril 15, 2006
- TelamonPP6224Columnar apple tree--Telamon varietyPUBLIC DOMAINApril 15, 2006
- TuscanPP6225Columnar apple tree--Tuscan varietyPUBLIC DOMAINApril 15, 2006
- TrajanPP6226Columnar apple tree--Trajan varietyPUBLIC DOMAINApril 15, 2006
- TummelberryPP5697TummelberryPUBLIC DOMAINJune 5, 2004
- cobPP5159Cherry rootstock--cob varietyPUBLIC DOMAINAugust 16, 2002
- TayberryPP4424PUBLIC DOMAINJanuary 31, 1998
- ColtPP4059Cherry rootstock--Colt varietyPUBLIC DOMAINJune 14, 1994
- PixyPP4061Plum rootstock--Pixy varietyPUBLIC DOMAINJune 14, 1994