DF

David Feng

AL Allegiance: 1 patents #1 of 8Top 15%
📍 Skokie, IL: #17 of 48 inventorsTop 40%
🗺 Illinois: #1,298 of 5,218 inventorsTop 25%
Overall (2005): #217,744 of 245,428Top 90%
1
Patents 2005

Issued Patents 2005

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
6958038 Multipositional ratchet device for surgical retractor Joseph Hirt 2005-10-25