Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7147647 | Sintered titanium tube for the management of spinal cord injury | George Johnstone, Dennis D. Elsberry | 2006-12-12 |
| 6537272 | Apparatus and method for creating, maintaining, and controlling a virtual electrode used for the ablation of tissue | Mark A. Christopherson | 2003-03-25 |
| 5980973 | Implantable medical device with biocompatible surface and method for its manufacture | George Johnstone, David D. Verness | 1999-11-09 |