Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11857173 | Lateral retractor system and methods of use | Randall G. Mast, Alan Burkholder, Andrew Schifle, David O. Okonkwo | 2024-01-02 |
| 10905408 | Lateral retractor system and methods of use | Randall G. Mast, Alan Burkholder, Andrew Schifle, David O. Okonkwo | 2021-02-02 |
| 10299777 | Lateral retractor system and methods of use | Randall G. Mast, Alan Burkholder, Andrew Schifle, David O. Okonkwo | 2019-05-28 |
| 10076320 | Lateral retractor system and methods of use | Randall G. Mast, Alan Burkholder, Andrew Schifle, David O. Okonkwo | 2018-09-18 |
| 10070852 | Lateral retractor system and methods of use | Randall G. Mast, Alan Burkholder, Andrew Schifle, David O. Okonkwo | 2018-09-11 |
| 9943301 | Lateral retractor system and methods of use | Randall G. Mast, Alan Burkholder, Andrew Schifle, David O. Okonkwo | 2018-04-17 |
| 9826966 | Lateral retractor system and methods of use | Randall G. Mast, Alan Burkholder, Andrew Schifle, David O. Okonkwo | 2017-11-28 |
| 9572560 | Lateral retractor system and methods of use | Randall G. Mast, Alan Burkholder, Andrew Shifle | 2017-02-21 |