Patent Leaderboard
USPTO Patent Rankings Data through Sept 30, 2025
DP

Darrell R. Probst

Hubbardston, MA: #1 of 2 inventorsTop 50%
Massachusetts: #1,232 of 13,863 inventorsTop 9%
Overall (2022): #84,378 of 548,613Top 20%
3 Patents 2022

Issued Patents 2022

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
PP33990 Coreopsis plant named ‘Iron Lady’ 2022-03-01
PP33930 Coreopsis plant named ‘Riding Hood’ 2022-02-01
PP33888 Coreopsis plant named ‘Candy Stripes’ 2022-01-18