DR

David Ribbe

MA Mattel: 1 patents #23 of 93Top 25%
📍 Mahomet, IL: #2 of 4 inventorsTop 50%
🗺 Illinois: #1,298 of 5,218 inventorsTop 25%
Overall (2005): #214,759 of 245,428Top 90%
1
Patents 2005

Issued Patents 2005

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
6971942 Rotary feedback mechanism for a toy Ernest D. Baker, Leonard R. Clark, Jr., Jesse Dorogusker, David Helmlinger, Eric Listenberger +2 more 2005-12-06