|
US5658336A
|
Rotating, locking, middle-expanded intervertebral disk stab… |
Expired / Lapsed
|
1995-06-07 |
1997-08-19 |
13 |
Details
|
|
US5653762A
|
Method of stabilizing adjacent vertebrae with rotating, loc… |
Expired / Lapsed
|
1995-06-07 |
1997-08-05 |
6 |
Details
|
|
US5390683A
|
Spinal implantation methods utilizing a middle expandable i… |
Expired / Lapsed
|
1992-02-21 |
1995-02-21 |
15 |
Details
|
|
US5387220A
|
Stereotactic frame and localization method |
Expired / Lapsed
|
1993-06-15 |
1995-02-07 |
33 |
Details
|