DH

Derek M. Helenberger

BA Becker Orthopedic Appliance: 1 patents #3 of 7Top 45%
📍 Berkley, MI: #6 of 19 inventorsTop 35%
🗺 Michigan: #1,659 of 6,198 inventorsTop 30%
Overall (2002): #230,667 of 266,432Top 90%
1
Patents 2002

Issued Patents 2002

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
6471664 Knee joint and method James Campbell, Nicholas Zalinski 2002-10-29