Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11583263 | Dilator assembly | Glenn R. Buttermann | 2023-02-21 |
| 10045802 | Orthopaedic device | Glenn R. Buttermann | 2018-08-14 |
| 8057549 | Apparatus and method for performing spinal surgery | Glenn Robin Butterman, Jeffrey Joseph Anderman | 2011-11-15 |
| 5400608 | Humidity control system | Robert L. Steed | 1995-03-28 |