Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7597695 | Posterior oblique lumbar arthrodesis | Daniel G. Schmiel, Rodney L. Houfburg, William C. Welch | 2009-10-06 |
| 7033392 | Posterior oblique lumbar arthrodesis | Daniel G. Schmiel, Rodney L. Houfburg, William C. Welch | 2006-04-25 |
| 7018416 | Bone implants and methods | David A. Hanson, Ross A. Longhini, Steven J. Seme | 2006-03-28 |
| 6626905 | Posterior oblique lumbar arthrodesis | Daniel G. Schmiel, Rodney L. Houfburg, William C. Welch | 2003-09-30 |