RD

Robert L. Doubler

OI Ortho Innovations: 19 patents #2 of 5Top 40%
SP Spinal: 14 patents #1 of 2Top 50%
HM Hammill Manufacturing: 7 patents #1 of 3Top 35%
ZS Zimmer Spine: 4 patents #53 of 192Top 30%
📍 Monroe, MI: #1 of 249 inventorsTop 1%
🗺 Michigan: #893 of 86,293 inventorsTop 2%
Overall (All Time): #52,679 of 4,157,543Top 2%
51
Patents All Time

Issued Patents All Time

Showing 51–51 of 51 patents

Patent #TitleCo-InventorsDate
6245112 Joint prosthesis variable flexibility John E. Hammill, Sr. 2001-06-12