Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5961554 | Intervertebral spacer | Albert N. Santilli | 1999-10-05 |
| 5346493 | Top-entry rod retainer | Terrence M. Stahurski, Marc A. Asher, William L. Carson, Walter E. Stripgen, Charles F. Heinig +1 more | 1994-09-13 |
| D346217 | Combined hook holder and rod mover for spinal surgery | Steven B. Sparker, Albin R. Majcen, Walter S. Strippgen | 1994-04-19 |
| 5257993 | Top-entry rod retainer | Marc A. Asher, Robert Gaines, Walter E. Stripgen, William L. Carson, Terrence M. Stahurski +1 more | 1993-11-02 |
| 5242446 | Connector for a spinal column corrective device | Arthur D. Steffee | 1993-09-07 |