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The Patent Garden

Breeder

DIRR MICHAEL A

27 US plant patents, granted between 2011 and 2020.

On the name: these patents were filed under 2 spellings, counted together here — DIRR MICHAEL A (21), DIRR MICHAEL (6).

Still under patent — 27 cultivars

Soonest to come off patent first. You may not propagate these for sale until the date shown.