Nursery or breeding house
TWYFORD INTERNAT INC
14 US plant patents, granted between 2002 and 2004.
On the name: these patents were filed under 2 spellings, counted together here — TWYFORD INTERNAT INC (12), TWYFORD INTERNAT (2).
Filed under the TWYFORD name. Related entities are listed separately on the TWYFORD search, because a company and a person are not the same filer even when the name matches.
Already in the public domain — 14 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.
- 6598-1PP14607Spathiphyllum plant named ‘6598-1’PUBLIC DOMAINFebruary 28, 2023
- Miss MabelPP14704Spathiphyllum plant named ‘Miss Mabel’PUBLIC DOMAINFebruary 28, 2023
- PippiPP14475Anthurium plant named ‘Pippi’PUBLIC DOMAINDecember 6, 2022
- Emerald BeautyPP13824Spathiphyllum plant named ‘Emerald Beauty’PUBLIC DOMAINJune 13, 2022
- EsquirePP13654Guzmania plant named ‘Esquire’PUBLIC DOMAINMay 31, 2022
- ValentinoPP13670Spathiphyllum plant named ‘Valentino’PUBLIC DOMAINMay 10, 2022
- ViolaPP13679Guzmania plant named ‘Viola’PUBLIC DOMAINMay 10, 2022
- Pine Ridge-APP13207Phalaenopsis plant named (Golden Buddha×Pearlie) ‘Pine Ridge-A’PUBLIC DOMAINJuly 22, 2021
- Pine Ridge #3PP13146Phalaenopsis plant named (Ken Peterson×Mama Cass) ‘Pine Ridge #3’PUBLIC DOMAINJuly 8, 2021
- (Brother Sophia) Pine Ridge #1PP13088Phalaenopsis plant named ‘(Brother Sophia) Pine Ridge #1’PUBLIC DOMAINJune 30, 2021
- Pine Ridge #6PP13092Phalaenopsis plant named (Ken Peterson×Mama Cass) ‘Pine Ridge #6’PUBLIC DOMAINJune 30, 2021
- MariaPP13016Spathiphyllum plant named ‘Maria’PUBLIC DOMAINMay 4, 2021
- Xanadu-IIPP12506Philodendron plant named ‘Xanadu-II’PUBLIC DOMAINJanuary 18, 2020
- BrasilPP12956Philodendron plant named ‘Brasil’PUBLIC DOMAINJanuary 18, 2020