JR

James D. Ralph

SP Spinecore: 63 patents #4 of 14Top 30%
FA Fastenetix: 28 patents #1 of 8Top 15%
TE Third Millennium Engineering: 28 patents #1 of 7Top 15%
BI Biodynamics: 15 patents #1 of 13Top 8%
SC Spinal Concepts: 5 patents #6 of 23Top 30%
K2 K2M: 3 patents #120 of 255Top 50%
WO Warsaw Orthopedic: 2 patents #450 of 894Top 55%
📍 Bethlehem, PA: #4 of 1,038 inventorsTop 1%
🗺 Pennsylvania: #52 of 74,527 inventorsTop 1%
Overall (All Time): #5,219 of 4,157,543Top 1%
163
Patents All Time

Issued Patents All Time

Showing 126–150 of 163 patents

Patent #TitleCo-InventorsDate
5882350 Polyaxial pedicle screw having a threaded and tapered compression locking mechanism Stephen Tatar 1999-03-16
5876402 Anterior spinal polyaxial locking screw plate assembly having recessed retaining rings Joseph P. Errico, Thomas J. Errico 1999-03-02
5836958 Surgical curette having a variably angled handle 1998-11-17
5817094 Polyaxial locking screw and coupling element Joseph P. Errico, Thomas J. Errico 1998-10-06
5810819 Polyaxial pedicle screw having a compression locking rod gripping mechanism Joseph P. Errico, Thomas J. Errico, Stephen Tatar 1998-09-22
5810818 Spinal hook implant having a low blade and S swivel hook Joseph P. Errico, Thomas J. Errico, Julius R. Falcon, Stephen Tatar 1998-09-22
5800435 Modular spinal plate for use with modular polyaxial locking pedicle screws Joseph P. Errico, Thomas J. Errico, Steven Tatar 1998-09-01
5785711 Polyaxial pedicle screw having a through bar clamp locking mechanism Joseph P. Errico, Thomas J. Errico, Stephen Tatar 1998-07-28
5776135 Side mounted polyaxial pedicle screw Joseph P. Errico, Thomas J. Errico 1998-07-07
5752957 Polyaxial mechanism for use with orthopaedic implant devices Steven Tatar 1998-05-19
5735851 Modular polyaxial locking pedicle screw Joseph P. Errico, Thomas J. Errico, Steve Tatar 1998-04-07
5733286 Rod securing polyaxial locking screw and coupling element assembly Joseph P. Errico, Thomas J. Errico 1998-03-31
5733285 Polyaxial locking mechanism Joseph P. Errico, Thomas J. Errico 1998-03-31
5725588 Acetabular cup having polyaxial locking screws Joseph P. Errico, Thomas J. Errico 1998-03-10
5725528 Modular polyaxial locking pedicle screw Joseph P. Errico, Thomas J. Errico, Steven Tatar 1998-03-10
5713904 Selectively expandable sacral fixation screw-sleeve device Joseph P. Errico, Thomas J. Errico 1998-02-03
5709684 Advanced compression locking variable length cross-link device Joseph P. Errico, Thomas J. Errico 1998-01-20
5707372 Multiple node variable length cross-link device Joseph P. Errico, Thomas J. Errico, Steve Tatar 1998-01-13
5690630 Polyaxial pedicle screw Joseph P. Errico, Thomas J. Errico 1997-11-25
5688273 Spinal implant apparatus having a single central rod and plow hooks Joseph P. Errico, Thomas J. Errico 1997-11-18
5688274 Spinal implant device having a single central rod and claw hooks Joseph P. Errico, Thomas J. Errico 1997-11-18
5683393 Bidirectional rod-hook locking mechanism 1997-11-04
5669911 Polyaxial pedicle screw Joseph P. Errico, Thomas J. Errico 1997-09-23
5667507 Compression locking variable length cross-link device for use with dual rod apparatus James Corin, Joseph P. Errico 1997-09-16
5667508 Unitary locking cap for use with a pedicle screw Thomas J. Errico, Steven Tatar 1997-09-16