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

Darrel A. Apps

CNCenterton Nursery: 4 patents #1 of 1Top 100%
Wild Rose, WI: #1 of 1 inventorsTop 100%
Wisconsin: #143 of 3,183 inventorsTop 5%
Overall (2003): #17,564 of 273,478Top 7%
4 Patents 2003

Issued Patents 2003

Showing 1–4 of 4 patents

Patent #TitleCo-InventorsDate
PP13499 Daylily plant named ‘Red Hot Returns’ 2003-01-21
PP13480 Daylily plant named ‘When My Sweetheart Returns’ 2003-01-14
PP13481 Daylily plant named ‘Romantic Returns’ 2003-01-14
PP13465 Daylily plant named ‘Sunset Returns’ 2003-01-07