Partial year: Data through Q3 2025 (Sept 30). Full-year totals not yet available.
DF

Derek J. Friesen

📍 Crystal City, CA: #1 of 3 inventorsTop 35%
Overall (2025): #406,434 of 469,880Top 90%
1
Patents 2025

Issued Patents 2025

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
12338603 Towed earth moving implement with fixed-winged pitch-adjustable blade assembly Sean D. Chevalier, Harvey G. Bergen 2025-06-24