Issued Patents 2004
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D496577 | Door exit device | Richard B. Cohrs, Eric K. Arthur, Marlin Austin | 2004-09-28 |
| 6769723 | Midrail mounted exit device | Richard B. Cohrs, Eric K. Arthur, Marlin Austin | 2004-08-03 |