Nursery or breeding house
SWENSON SMITH VINES INC
3 US plant patents, granted between 1985 and 1986.
Filed under the SWENSON name. Related entities are listed separately on the SWENSON search, because a company and a person are not the same filer even when the name matches.
Already in the public domain — 3 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.