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

David Christensen

Wisconsin: #387 of 3,183 inventorsTop 15%
Overall (2003): #71,579 of 273,478Top 30%
2 Patents 2003

Issued Patents 2003

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
6652205 Reversible, portable winch with bidirectional ratchet teeth for attachment to load-bearing structure 2003-11-25
6520723 Rack with built-in winch component 2003-02-18