JR

James D. Ralph

FA Fastenetix: 11 patents #1 of 6Top 20%
TE Third Millennium Engineering: 1 patents #1 of 1Top 100%
📍 Bethlehem, PA: #1 of 71 inventorsTop 2%
🗺 Pennsylvania: #4 of 4,367 inventorsTop 1%
Overall (1997): #334 of 185,788Top 1%
12
Patents 1997

Issued Patents 1997

Showing 1–12 of 12 patents

Patent #TitleCo-InventorsDate
5690630 Polyaxial pedicle screw Joseph P. Errico, Thomas J. Errico 1997-11-25
5688274 Spinal implant device having a single central rod and claw hooks Joseph P. Errico, Thomas J. Errico 1997-11-18
5688273 Spinal implant apparatus having a single central rod and plow 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
5667508 Unitary locking cap for use with a pedicle screw Thomas J. Errico, Steven Tatar 1997-09-16
5667507 Compression locking variable length cross-link device for use with dual rod apparatus James Corin, Joseph P. Errico 1997-09-16
5647873 Bicentric polyaxial locking screw and coupling element Joseph P. Errico, Thomas J. Errico 1997-07-15
5643265 Dynamic compression polyaxial locking screw plate assembly Joseph P. Errico, Thomas J. Errico 1997-07-01
5609594 Extending hook and polyaxial coupling element device for use with side loading road fixation devices Joseph P. Errico, Thomas J. Errico 1997-03-11
5609593 Advanced polyaxial locking hook and coupling element device for use with top loading rod fixation devices Joseph P. Errico, Thomas J. Errico 1997-03-11
5607426 Threaded polyaxial locking screw plate assembly Steve Tatar 1997-03-04