DH

Derek M. Helenberger

BA Becker Orthopedic Appliance: 2 patents #10 of 25Top 40%
📍 Berkley, MI: #85 of 232 inventorsTop 40%
🗺 Michigan: #35,034 of 86,293 inventorsTop 45%
Overall (All Time): #2,171,483 of 4,157,543Top 55%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
7083654 Prosthetic angled locking coupler device Wendy Beattie 2006-08-01
6471664 Knee joint and method James Campbell, Nicholas Zalinski 2002-10-29