DC

David W. Castleman

ZS Zimmer Biomet Spine: 5 patents #16 of 90Top 20%
SN Smith & Nephew: 4 patents #337 of 1,122Top 35%
WO Warsaw Orthopedic: 4 patents #315 of 894Top 40%
ZS Zimmer Spine: 1 patents #130 of 192Top 70%
📍 Minneapolis, MN: #424 of 6,114 inventorsTop 7%
🗺 Minnesota: #5,333 of 52,454 inventorsTop 15%
Overall (All Time): #333,524 of 4,157,543Top 9%
14
Patents All Time

Issued Patents All Time

Showing 1–14 of 14 patents

Patent #TitleCo-InventorsDate
12295620 Bone screw threaded enlarger Terry Ziemek 2025-05-13
11877774 Bone anchor housing limiter Terry Ziemek 2024-01-23
11707300 Bone screw threaded enlarger Terry Ziemek 2023-07-25
10828070 Bone anchor housing limiter Terry Ziemek 2020-11-10
10820928 Bone screw threaded enlarger Terry Ziemek 2020-11-03
9750512 Drill guide for installing a bone plate Eric P. Jerke, Peter Schulte, Andrew Olson, Jack A. Dant, Eric J. Lundequam +1 more 2017-09-05
8268004 Stabilized, adjustable expandable implant and method Eric S. Heinz 2012-09-18
8231681 Self-contained expandable implant and method Eric S. Heinz 2012-07-31
7981157 Self-contained expandable implant and method Eric S. Heinz 2011-07-19
7887537 External fixation system Joseph Ferrante, Anthony James, Gene Edward Austin, Kenneth Nelson, Kelley N. Grusin 2011-02-15
7758648 Stabilized, adjustable expandable implant and method Eric S. Heinz 2010-07-20
7237556 Image-guided fracture reduction Crista Smothers, David Kahler, Lauralan Terrill-Grisoni 2007-07-03
7048735 External fixation system Joseph Ferrante, Anthony James, Ed Austin, Kenneth Nelson 2006-05-23
5968046 Provisional fixation pin 1999-10-19