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 51–75 of 163 patents

Patent #TitleCo-InventorsDate
7314487 Intervertebral spacer device having a wave washer force restoring element Stephen Tatar, Joseph P. Errico 2008-01-01
7314486 Artificial intervertebral disc having a wave washer force restoring element Stephen Tatar, Joseph P. Errico 2008-01-01
7270680 Intervertebral spacer device utilizing a spirally slotted belleville washer having radially extending grooves Stephen Tatar 2007-09-18
7261739 Intervertebral spacer device having arch shaped spring element Stephen Tatar, Joseph P. Errico 2007-08-28
7217292 Trial intervertebral distraction spacers Stephen Tatar, Thomas J. Errico 2007-05-15
7208014 Intervertebral spacer device utilizing a belleville washer having radially extending grooves Stephen Tatar 2007-04-24
7153310 Vertebral bone distraction instruments Stephen Tatar, Thomas J. Errico 2006-12-26
7144426 Intervertebral spacer device having a slotted domed arch strip spring Stephen Tatar, Joseph P. Errico 2006-12-05
7141070 Intervertebral spacer device having a domed arch shaped spring Stephen Tatar, Joseph P. Errico 2006-11-28
7122055 Artificial intervertebral disc having a spider spring force restoring element Stephen Tatar, Joseph P. Errico 2006-10-17
7094242 Polyaxial drill guide Thomas N. Troxell 2006-08-22
7048763 Intervertebral spacer device having a radially thinning belleville spring Stephen Tatar 2006-05-23
RE39089 Polyaxial pedicle screw having a threaded and tapered compression locking mechanism Stephen Tatar, Joseph P. Errico, Thomas J. Errico 2006-05-02
7014658 Intervertebral spacer device having a multi-pronged domed spring Stephen Tatar, Joseph P. Errico 2006-03-21
6989032 Artificial intervertebral disc Joseph P. Errico, Michael W. Dudasik, Rafail Zubok, Stephen Tatar 2006-01-24
6976988 Insertion tool for use with tapered trial intervertebral distraction spacers Stephen Tatar, Thomas J. Errico 2005-12-20
6932844 Intervertebral spacer device having a slotted domed arch strip spring Stephen Tatar, Joseph P. Errico 2005-08-23
6918934 Artificial intervertebral disc having a slotted belleville washer force restoring element Stephen Tatar 2005-07-19
6916483 Bioabsorbable plugs containing drugs Steve Tatar 2005-07-12
6890356 Surgical method of treating scoliosis Steven Tatar, Thomas J. Errico 2005-05-10
6887274 Intervertebral spacer device utilizing a belleville washer having radially spaced concentric grooves Stephen Tatar 2005-05-03
6887273 Intervertebral spacer device having a domed arch shaped spring Stephen Tatar, Joseph P. Errico 2005-05-03
6869446 Intervertebral spacer device having a domed arch shaped spring Stephen Tatar, Joseph P. Errico 2005-03-22
6863689 Intervertebral spacer having a flexible wire mesh vertebral body contact element Stephen Tatar, Thomas J. Errico 2005-03-08
6863688 Intervertebral spacer device utilizing a spirally slotted belleville washer having radially spaced concentric grooves Stephen Tatar 2005-03-08