Issued Patents 2011
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7984875 | Multi-position secure door system | Michael S. Koehn, Mark G. Feuerstein, James T. Johnson | 2011-07-26 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7984875 | Multi-position secure door system | Michael S. Koehn, Mark G. Feuerstein, James T. Johnson | 2011-07-26 |