Assignee
HELGERSON JOEL R
US·3 granted patents·65 citations·filing 2008–2012
Top patents by PatentIndex Score
3 records- 0191US8529609B2Polyaxial facet fixation screw systemHELGERSON JOEL R·Filed 2010·Granted Sep 10, 2013·60 cites·22 claims
- 0270US9050145B2System and method for facet joint replacementHELGERSON JOEL R·Filed 2012·Granted Jun 9, 2015·2 cites·14 claims
- 0370US8252027B2System and method for facet joint replacementHELGERSON JOEL R·Filed 2008·Granted Aug 28, 2012·3 cites·14 claims
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