Skip to content
The Patent Garden

Nursery or breeding house

H P METZLER & SONS INC

10 US plant patents, granted between 1983 and 1987.

On the name: these patents were filed under 2 spellings, counted together here — H P METZLER & SONS INC (5), H P METZLER & SONS (5).

Already in the public domain — 10 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.