Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7503597 | Midrail mounted exit device | Richard B. Cohrs, Marlin Austin, Loren D. Mueller | 2009-03-17 |
| 7118141 | Apparatus and method for securing an exit device to a door | Richard B. Cohrs, Marlin Austin, Loren D. Mueller | 2006-10-10 |
| 7000954 | Midrail mounted exit device | Richard B. Cohrs, Marlin Austin, Loren D. Mueller | 2006-02-21 |
| D496577 | Door exit device | Richard B. Cohrs, Marlin Austin, Loren D. Mueller | 2004-09-28 |
| 6769723 | Midrail mounted exit device | Richard B. Cohrs, Marlin Austin, Loren D. Mueller | 2004-08-03 |
| D433307 | Push pad | Chad A. Hickman, Michael L. Cain, Roger A. Vitt | 2000-11-07 |
| D430786 | End cap for a door exit device push pad | Chad A. Hickman, Michael L. Cain, Roger A. Vitt | 2000-09-12 |