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USPTO Patent Rankings Data through Dec 31, 2025
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Darrell R. Probst — 2 Patents in 2021

Hubbardston, MA: #1 of 5 inventorsTop 20%
Massachusetts: #2,417 of 14,123 inventorsTop 20%
Overall (2021): #168,274 of 548,734Top 35%
2 Patents 2021

Issued Patents 2021

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
PP33713 Coreopsis plant named ‘Firewheel’ 2021-11-30
PP32739 Coreopsis plant named ‘Butter Rum’ 2021-01-05