Issued Patents 1997
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5690629 | Apparatus for maintaining vertebrae of a spinal column in a desired spatial relationship | Marc A. Asher, Charles F. Heinig, William L. Carson, Walter E. Stripggen | 1997-11-25 |