Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6080156 | Spinal column retaining method and apparatus | Marc A. Asher, Charles F. Heinig, William L. Carson | 2000-06-27 |
| 5743907 | Spinal column retaining method and apparatus | Marc A. Asher, Charles F. Heinig, William L. Carson | 1998-04-28 |
| 5690629 | Apparatus for maintaining vertebrae of a spinal column in a desired spatial relationship | Marc A. Asher, Charles F. Heinig, William L. Carson, Terrence M. Stahurski | 1997-11-25 |
| 5312404 | Spinal column retaining apparatus | Marc A. Asher, Charles F. Heinig, William L. Carson | 1994-05-17 |