RD

Robert L. Doubler

SP Spinal: 4 patents #1 of 2Top 50%
📍 Monroe, MI: #2 of 21 inventorsTop 10%
🗺 Michigan: #720 of 9,630 inventorsTop 8%
Overall (2017): #39,055 of 506,227Top 8%
4
Patents 2017

Issued Patents 2017

Showing 1–4 of 4 patents

Patent #TitleCo-InventorsDate
9649135 Bottom loading low profile fixation system John E. Hammill, Sr. 2017-05-16
9649142 Modular head assembly John E. Hammill, Sr. 2017-05-16
9615858 Spring clip-bottom loading polyaxial ball and socket fastener John E. Hammill, Sr. 2017-04-11
9615862 Modular head inserter John E. Hammill, Sr. 2017-04-11