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

David R. Harshberger

📍 Nappanee, IN: #3 of 4 inventorsTop 75%
🗺 Indiana: #731 of 2,804 inventorsTop 30%
Overall (2025): #413,051 of 469,880Top 90%
1
Patents 2025

Issued Patents 2025

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
12325500 Alternating current boat propulsion system — 2025-06-10